Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

Koizumi, Chiba

61°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Koizumi

Chiba

61°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Koizumi, Chiba Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Today

Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

1 AM

59°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

WindNNE 6 mph

Air QualityFair

Wind Gusts9 mph

Humidity96%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Visibility5 mi

Cloud Ceiling30000 ft

2 AM

58°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

WindNNE 6 mph

Air QualityFair

Wind Gusts9 mph

Humidity99%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility5 mi

Cloud Ceiling30000 ft

3 AM

57°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

WindNNE 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity99%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility5 mi

Cloud Ceiling30000 ft

4 AM

58°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 1%
Chevron down
Cloudy
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

WindNNE 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity100%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility5 mi

Cloud Ceiling30000 ft

5 AM

60°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 1%
Chevron down
Cloudy
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

RealFeel Shade™58°

WindNNE 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts10 mph

Humidity97%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility5 mi

Cloud Ceiling30000 ft

6 AM

61°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 4%
Chevron down
Cloudy
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

RealFeel Shade™61°

WindNNE 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts10 mph

Humidity96%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling24700 ft

7 AM

63°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 18%
Chevron down
Cloudy
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

RealFeel Shade™63°

WindNNE 7 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts10 mph

Humidity92%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility5 mi

Cloud Ceiling24700 ft

8 AM

65°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 18%
Chevron down
Cloudy
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

RealFeel Shade™64°

WindNE 7 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts10 mph

Humidity88%

Indoor Humidity79% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility5 mi

Cloud Ceiling24700 ft

9 AM

66°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 23%
Chevron down
Cloudy
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

RealFeel Shade™64°

WindNE 6 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts10 mph

Humidity86%

Indoor Humidity80% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling24700 ft

10 AM

67°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Showers
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

RealFeel Shade™63°

WindENE 7 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts13 mph

Humidity83%

Indoor Humidity81% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility5 mi

Cloud Ceiling1900 ft

11 AM

68°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 54%
Chevron down
Showers
alerts

Dense Fog Advisory

12:00 AM Sunday - 12:00 PM Sunday

RealFeel Shade™64°

WindE 7 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts14 mph

Humidity83%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility5 mi

Cloud Ceiling1900 ft

12 PM

69°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 46%
Chevron down
Cloudy

RealFeel Shade™68°

WindESE 7 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts16 mph

Humidity84%

Indoor Humidity84% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1900 ft

1 PM

72°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Showers

RealFeel Shade™68°

WindESE 8 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts17 mph

Humidity79%

Indoor Humidity79% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility5 mi

Cloud Ceiling1900 ft

2 PM

70°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Cloudy

RealFeel Shade™68°

WindESE 9 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts18 mph

Humidity85%

Indoor Humidity85% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling14300 ft

3 PM

70°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™68°

WindESE 9 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts20 mph

Humidity84%

Indoor Humidity84% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling14300 ft

4 PM

69°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 56%
Chevron down
Rain

RealFeel Shade™64°

WindESE 9 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts18 mph

Humidity85%

Indoor Humidity85% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.10 in

Visibility4 mi

Cloud Ceiling2000 ft

5 PM

68°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™68°

WindESE 8 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts18 mph

Humidity88%

Indoor Humidity88% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling14300 ft

6 PM

67°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™67°

WindSE 8 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts18 mph

Humidity92%

Indoor Humidity90% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling14300 ft

7 PM

66°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 78%
Chevron down
Rain

WindESE 7 mph

Air QualityFair

Wind Gusts18 mph

Humidity96%

Indoor Humidity90% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.12 in

Visibility4 mi

Cloud Ceiling2000 ft

8 PM

66°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 74%
Chevron down
Rain

WindESE 7 mph

Air QualityFair

Wind Gusts16 mph

Humidity98%

Indoor Humidity91% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.07 in

Visibility4 mi

Cloud Ceiling2000 ft

9 PM

66°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 80%
Chevron down
Rain

WindESE 7 mph

Air QualityFair

Wind Gusts17 mph

Humidity99%

Indoor Humidity91% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.14 in

Visibility4 mi

Cloud Ceiling2000 ft

10 PM

65°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 61%
Chevron down
Rain

WindSE 7 mph

Air QualityFair

Wind Gusts18 mph

Humidity99%

Indoor Humidity88% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.14 in

Visibility4 mi

Cloud Ceiling2000 ft

11 PM

65°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSE 8 mph

Air QualityFair

Wind Gusts18 mph

Humidity99%

Indoor Humidity90% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling6500 ft

Hourly Weather Forecast for Koizumi

AccuWeather's hourly forecast for Koizumi provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 59° with a RealFeel® of 58°, cloudy with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Tuesday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Top Stories

Weather Forecasts

Relief is coming to Northeast, but heat and humidity to bounce back

5 hours ago

Hurricane

Tropical Storm Amanda forms in eastern Pacific; Hurricane threat looms

5 hours ago

Weather News

Outer Banks home collapses into ocean for first time in months

1 day ago

Weather Forecasts

Torrential downpours to raise flash flood risk in south-central US

5 hours ago

Recreation

Firefly season is here: When to watch for summer’s flashing lights

15 hours ago

More Stories

Featured Stories

Health

Why Google wants to release 32 million mosquitoes in 2 states

1 day ago

Weather News

These trees can 'hold their breath' when volcanoes erupt in Hawaii

23 hours ago

Astronomy

Sunset after 9pm: Why the sun, clock don't align around the solstice

23 hours ago

Astronomy

Venus, Jupiter to shine incredibly close for 2 nights next week

23 hours ago

Weather News

Record sargassum seaweed swamps Caribbean, U.S. beaches

3 days ago

World Asia Japan Chiba Koizumi

Weather Near Koizumi:

  • Chiba-shi, Chiba
  • Funabashi-shi, Chiba
  • Narita-shi, Chiba
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...