Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Flood in a drought: Heavy rain to drench southern US into the weekend. See the forecast. Chevron right

Alton Bay, NH

50°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Alton Bay

New Hampshire

50°
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
Alton Bay, NH 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

1 AM

50°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 83%
Chevron down
Rain

WindN 12 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity93%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility5 mi

Cloud Ceiling2600 ft

2 AM

49°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 86%
Chevron down
Rain

WindNW 17 mph

Air QualityExcellent

Wind Gusts32 mph

Humidity91%

Indoor Humidity46% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility5 mi

Cloud Ceiling1500 ft

3 AM

47°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 90%
Chevron down
Rain

WindN 15 mph

Air QualityExcellent

Wind Gusts28 mph

Humidity91%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1300 ft

4 AM

45°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 90%
Chevron down
Rain

WindNNE 20 mph

Air QualityExcellent

Wind Gusts35 mph

Humidity92%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1200 ft

5 AM

44°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 85%
Chevron down
Rain

WindNNE 21 mph

Air QualityExcellent

Wind Gusts36 mph

Humidity91%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1100 ft

6 AM

42°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 85%
Chevron down
Rain

RealFeel Shade™26°

WindNNE 20 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts33 mph

Humidity91%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1200 ft

7 AM

40°
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 85%
Chevron down
Rain

RealFeel Shade™25°

WindNNE 17 mph

Air QualityExcellent

Max UV Index0.2 (Low)

Wind Gusts32 mph

Humidity90%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1300 ft

8 AM

40°
RealFeel® 25°
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™25°

WindNNE 16 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts31 mph

Humidity92%

Indoor Humidity32% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling1400 ft

9 AM

41°
RealFeel® 27°
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™27°

WindN 15 mph

Air QualityExcellent

Max UV Index0.7 (Low)

Wind Gusts28 mph

Humidity90%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling1500 ft

10 AM

41°
RealFeel® 30°
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™30°

WindN 14 mph

Air QualityExcellent

Max UV Index1.0 (Low)

Wind Gusts25 mph

Humidity88%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling1500 ft

11 AM

43°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 72%
Chevron down
Rain

RealFeel Shade™30°

WindN 14 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts25 mph

Humidity86%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility8 mi

Cloud Ceiling1600 ft

12 PM

44°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 72%
Chevron down
Rain

RealFeel Shade™32°

WindN 14 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts25 mph

Humidity82%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.04 in

Visibility8 mi

Cloud Ceiling2100 ft

1 PM

46°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 72%
Chevron down
Rain

RealFeel Shade™34°

WindN 13 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts24 mph

Humidity78%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.04 in

Visibility6 mi

Cloud Ceiling2700 ft

2 PM

47°
RealFeel® 39°
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™37°

WindN 12 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts21 mph

Humidity74%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.06 in

Visibility5 mi

Cloud Ceiling3200 ft

3 PM

49°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 75%
Chevron down
Rain

RealFeel Shade™39°

WindN 12 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts21 mph

Humidity73%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.06 in

Visibility5 mi

Cloud Ceiling2000 ft

4 PM

50°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 75%
Chevron down
Rain

RealFeel Shade™40°

WindN 12 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts21 mph

Humidity73%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

5 PM

53°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™47°

WindN 10 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts22 mph

Humidity62%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

52°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™49°

WindN 9 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts16 mph

Humidity61%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling12700 ft

7 PM

51°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 22%
Chevron down
Cloudy

RealFeel Shade™49°

WindN 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts12 mph

Humidity62%

Indoor Humidity34% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling18300 ft

8 PM

50°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™49°

WindNNW 6 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts6 mph

Humidity67%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

48°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNW 5 mph

Air QualityExcellent

Wind Gusts6 mph

Humidity73%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

45°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNW 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity81%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

43°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWNW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity88%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Alton Bay

AccuWeather's hourly forecast for Alton Bay provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 50° with a RealFeel® of 41°, rain with a 83% 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

Monday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Downpours bring heightened flood risk, drought relief to southern US

10 hours ago

Astronomy

Blue Origin rocket explosion damages New Glenn launchpad in Florida

15 hours ago

Severe Weather

Damaging hail, strong winds to target Plains

8 hours ago

Weather Forecasts

Mid-Atlantic to enjoy mainly dry weekend as New England is soaked

8 hours ago

Hurricane

Forecasters eye Atlantic, Pacific early in hurricane season

8 hours ago

 More Stories

Featured Stories

Recreation

Venomous Portuguese man o’ war spotted on Myrtle Beach

13 hours ago

Astronomy

Blue Moon, 4 planets to shine during the final weekend of May

1 day ago

Recreation

Yosemite crowds offer first look at summer travel without reservations

9 hours ago

Weather News

Tiny blue octopus identified as new species

13 hours ago

Astronomy

What happened when an astronaut suddenly couldn’t speak in space

2 days ago
World North America United States New Hampshire Alton Bay

Weather Near Alton Bay:

  • Boston, MA
  • Dorchester, MA
  • Worcester, MA
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

...

...

...