Weather forecast for 10 days
Castine, ME

Weather forecast for the weekend

Saturday, May 10.

Rain
5:11 am

7:51 pm
EDT
Rain
54°F / 45°F
  • Wind: 10mph NNE
  • Humidity: 82%
  • Precip. probability: 63%
  • Precipitation: 0.31"
  • UV index: 4
On Saturday, in Castine, expect showery conditions to last throughout the day.
The chance of rain is high. However, precipitation will be light. The peak daytime temperature will reach a fresh 53.6°F, while the nighttime temperature will drop to a frosty 44.6°F.
Expect temperatures to match April's average maximum of 48.9°F rather than May's 59.7°F.
Sunrise will be at 5:11 am and sunset at 7:51 pm; the daylight will last for 14h and 40min.

Sunday, May 11.

Partly Cloudy
5:10 am

7:52 pm
EDT
Partly Cloudy
63°F / 46°F
  • Wind: 11mph WNW
  • Humidity: 59%
  • Precip. probability: 16%
  • Precipitation: 0.31"
  • UV index: 7
On Sunday, in Castine, expect a partly sunny afternoon with variable cloud cover.
The chance of rain is low, and light precipitation is predicted. The highest anticipated temperature is a breezy 62.6°F, while the lowest temperature will be a chilly 46.4°F.
On Sunday, expect the temperature to remain near May's average maximum of 59.7°F.
Sunrise will be at 5:10 am and sunset at 7:52 pm; the daylight will last for 14h and 43min.

Frequently asked questions

What is the weather forecast for Castine for Saturday?
On Saturday, steady showers will keep conditions wet, with little relief.
Will it rain on Saturday?
Light precipitation of 0.31" is forecasted on Saturday. The chance of rainfall is 63%.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 53.6°F, while the lowest temperature will be 44.6°F.
What is the weather forecast for Castine for Sunday?
On Sunday, variable cloud cover will persist, but sunshine will break through.
Will it rain on Sunday?
Light precipitation of 0.31" is anticipated on Sunday. The possibility of rainfall is low at 16%.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 62.6°F, while the minimum temperature will be 46.4°F.
What is the weather forecast for Castine for the next ten days?
In Castine, a combination of dull and wet weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rain is expected on Tuesday through Thursday, Saturday and Sunday in Castine. Wednesday, with moderate precipitation of 0.55", will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 50°F and 62.6°F, while the minimum temperature will range between 42.8°F and 50°F.
What will be the warmest and the coldest days?
With a maximum temperature of 62.6°F, Sunday, next Tuesday and Wednesday will be the warmest days. Friday will be the coldest day, with a maximum temperature of 50°F.

Long-term weather forecast

MonMay 5.
  • 61°F
  • 45°F
Cloudy
Cloudy
  • Wind: 9mph E
  • Humidity: 53%
  • UV index: 4
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:17 am 7:45 pm EDT
TueMay 6.
  • 52°F
  • 48°F
Rain
Rain
  • Wind: 9mph ESE
  • Humidity: 90%
  • UV index: 3
  • Precip. probability: 74%
  • Precipitation: 0.04"
  • 5:16 am 7:47 pm EDT
WedMay 7.
  • 55°F
  • 46°F
AM Showers
AM Showers
  • Wind: 8mph SSE
  • Humidity: 92%
  • UV index: 3
  • Precip. probability: 50%
  • Precipitation: 0.55"
  • 5:15 am 7:48 pm EDT
ThuMay 8.
  • 59°F
  • 43°F
Cloudy
Cloudy
  • Wind: 11mph NNW
  • Humidity: 77%
  • UV index: 5
  • Precip. probability: 24%
  • Precipitation: 0.2"
  • 5:13 am 7:49 pm EDT
FriMay 9.
  • 50°F
  • 43°F
PM Showers
PM Showers
  • Wind: 9mph ENE
  • Humidity: 75%
  • UV index: 3
  • Precip. probability: 36%
  • Precipitation: 0"
  • 5:12 am 7:50 pm EDT
SatMay 10.
  • 54°F
  • 45°F
Rain
Rain
  • Wind: 10mph NNE
  • Humidity: 82%
  • UV index: 4
  • Precip. probability: 63%
  • Precipitation: 0.31"
  • 5:11 am 7:51 pm EDT
SunMay 11.
  • 63°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WNW
  • Humidity: 59%
  • UV index: 7
  • Precip. probability: 16%
  • Precipitation: 0.31"
  • 5:10 am 7:52 pm EDT
MonMay 12.
  • 61°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WNW
  • Humidity: 54%
  • UV index: 7
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:09 am 7:54 pm EDT
TueMay 13.
  • 63°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph W
  • Humidity: 52%
  • UV index: 7
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:07 am 7:55 pm EDT
WedMay 14.
  • 63°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 56%
  • UV index: 7
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:06 am 7:56 pm EDT
Across the following ten days, a combination of cloud-filled and damp weather is forecasted.
Rain is expected on Tuesday through Thursday, Saturday and Sunday.
Expect a substantial fluctuation in daytime highs over the next several days. The temperature is expected to swing from 50°F up to 62.6°F, while the forecast minimum temperature falls between 42.8°F and 50°F.
Sunday, next Tuesday and Wednesday, with the highest temperature of 62.6°F, will be the warmest days; with the highest temperature of 50°F, Friday will be the coldest day.
Updated: May 5, 2025 @ 06:34:19 UTC
Published by: Weather U.S. | About Us
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