Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
After a snow-starved winter, Denver is facing a late-season snowstorm. See the timing. Chevron right
Thunderstorms to rattle central, eastern US this week. Get the forecast. Chevron right

Castine, ME

48°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Castine

Maine

48°
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
Wednesday, May 20

Day

5/20
63°Hi
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
RealFeel Shade™ 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Periods of rain

Max UV Index4.0 (Moderate)

WindS 10 mph

Wind Gusts20 mph

Probability of Precipitation60%

Probability of Thunderstorms0%

Precipitation0.19 in

Rain0.19 in

Hours of Precipitation3

Hours of Rain3

Cloud Cover89%

Morning

Afternoon

Night

5/20
47°Lo
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Cloudy

WindSSE 7 mph

Wind Gusts15 mph

Probability of Precipitation25%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover99%

Evening

Overnight

Sun & Moon

14 hrs 58 mins
Rise 5:03 AM
Set 8:01 PM
Waxing Crescent
Rise 8:28 AM
Set 12:31 AM

Temperature History

5/20
High
Low
Forecast
63°
47°
Average
67°
45°
Last Year
56°
41°
Record
86°
2003
30°
1944

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Late-season snowstorm to snarl travel in Denver, Rockies

4 hours ago

Astronomy

Halley's comet fuels Eta Aquarids lighting up the sky this week

7 hours ago

Severe Weather

Severe storms to rattle central, eastern US in first full week of May

9 hours ago

Weather Forecasts

From 80s to frost: Temperature rollercoaster in Northeast, Midwest

13 hours ago

Weather Forecasts

Heat to surge across western U.S.; 100 F for some cities

10 hours ago

 More Stories

Featured Stories

Recreation

Bear attack injures 2 hikers in Yellowstone National Park

14 hours ago

Weather News

Lightning may have sparked fire that destroyed Florida marine lab

1 day ago

Recreation

2nd rescued sloth dies from closed Orlando attraction

13 hours ago

Health

Melanoma survivor’s story underscores importance of early checks

1 day ago

Weather News

Residents flee ash after Mayon Volcano erupts in the Philippines

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

...

...

...