Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Energy bills to soar this summer with widespread heat predicted. Read the full summer forecast. Chevron right
Frost, record-challenging chill is headed for the eastern US. See how cold it will get. Chevron right

Castine, ME

42°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Castine

Maine

42°
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
Castine, ME 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

Winter Center

Today

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 PM

43°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 75%
Chevron down
Rain

RealFeel Shade™30°

WindESE 15 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts18 mph

Humidity97%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility4 mi

Cloud Ceiling800 ft

1 PM

43°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 84%
Chevron down
Rain

RealFeel Shade™30°

WindESE 13 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts16 mph

Humidity97%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.10 in

Visibility4 mi

Cloud Ceiling800 ft

2 PM

43°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™33°

WindESE 15 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts23 mph

Humidity97%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling800 ft

3 PM

43°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™33°

WindESE 15 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts22 mph

Humidity98%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling700 ft

4 PM

44°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 70%
Chevron down
Rain

RealFeel Shade™31°

WindESE 15 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts20 mph

Humidity96%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.10 in

Visibility4 mi

Cloud Ceiling600 ft

5 PM

43°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 83%
Chevron down
Rain

RealFeel Shade™28°

WindESE 15 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts18 mph

Humidity99%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.21 in

Visibility3 mi

Cloud Ceiling500 ft

6 PM

43°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 77%
Chevron down
Rain

RealFeel Shade™30°

WindESE 14 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts16 mph

Humidity98%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.10 in

Visibility4 mi

Cloud Ceiling500 ft

7 PM

43°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 77%
Chevron down
Rain

RealFeel Shade™31°

WindESE 13 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts15 mph

Humidity99%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.10 in

Visibility4 mi

Cloud Ceiling500 ft

8 PM

43°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 51%
Chevron down
Showers

WindE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity99%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility6 mi

Cloud Ceiling500 ft

9 PM

43°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity99%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling500 ft

10 PM

43°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindNE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity99%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling500 ft

11 PM

43°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 33%
Chevron down
Cloudy

WindN 5 mph

Air QualityExcellent

Wind Gusts5 mph

Humidity98%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling500 ft

Hourly Weather Forecast for Castine

AccuWeather's hourly forecast for Castine provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 43° with a RealFeel® of 32°, rain with a 75% 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

Saturday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Summer forecast: Heat, storms to shape the season as El Niño develops

22 hours ago

Weather Forecasts

Rain to douse southern U.S. wildfire risk, ease drought into weekend

12 minutes ago

Severe Weather

Tornado survivor recalls emerging from storm shelter in Oklahoma

23 hours ago

Astronomy

Mysterious green glow in Hawaii sky likely rare atmospheric phenomenon

16 hours ago

Severe Weather

EF3 Texas tornado shreds homes, buildings following weekend twisters n...

1 hour ago

More Stories

Featured Stories

Recreation

U.S. Coast Guard rescues hikers stranded on Alaskan volcano

16 hours ago

Weather News

Humpback whale 'Timmy' guided to safety in rescue off Germany’s coast

21 hours ago

Weather News

World’s largest wildlife crossing to open this year

2 days ago

Astronomy

2 full moons will light up May 2026, including a rare blue moon

2 days ago

Severe Weather

Super tornado outbreak of 2011 still impacts weather forecasting

1 day ago

World North America United States Maine Castine

Weather Near Castine:

  • Bangor, ME
  • Brewer, ME
  • Orono, ME
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 Winter Center
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 Winter Center
© 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

...

...

...