Castine, ME Weather Forecast
Local 7-day forecast
Areas Of Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Castine, ME in one place.
Areas of smoke between 11am and 5pm, then areas of smoke and isolated rain showers. Mostly sunny, with a high near 67. South wind 5 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Castine, ME is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 1:49 PM EDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Castine, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 1:49 PM EDT
- Forecast office
- CAR
- Source
- NOAA / NWS
Daily Outlook
This Week in Castine
Sunday looks like the warmest upcoming period in Castine at 71 degrees F.
Sunday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Saturday at about 5 to 25 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 1:49 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CAR
- Radar station
- KGYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Areas of smoke and scattered rain showers before 7pm, then a chance of rain showers and areas of smoke between 7pm and 8pm, then areas of smoke and showers and thunderstorms between 8pm and 1am, then patchy smoke and scattered showers and thunderstorms. Cloudy, with a low around 60. Southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%.
Scattered rain showers before 8am. Sunny, with a high near 71. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Mostly clear, with a low around 57.
Sunny, with a high near 67.
Partly cloudy, with a low around 57.
A slight chance of rain showers after 5pm. Partly sunny, with a high near 66.
A chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Mostly sunny, with a high near 69.
Partly cloudy, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Areas Of Smoke
|
67°F |
5 to 25 mph
S
|
|
Saturday Night
Jul 18
|
Areas Of Smoke
|
60°F |
15 to 25 mph
SW
|
|
Sunday
Jul 19
|
Scattered Rain Showers then Sunny
|
71°F |
15 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
57°F |
10 to 15 mph
W
|
|
Monday
Jul 20
|
Sunny
|
67°F |
10 to 15 mph
W
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
57°F |
5 to 15 mph
SW
|
|
Tuesday
Jul 21
|
Partly Sunny then Slight Chance Rain Showers
|
66°F |
10 to 15 mph
S
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms Likely
|
58°F |
15 mph
S
|
|
Wednesday
Jul 22
|
Rain Showers Likely
|
69°F |
15 to 20 mph
S
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
59°F |
5 to 15 mph
SW
|
|
Thursday
Jul 23
|
Mostly Sunny
|
69°F |
5 to 10 mph
SW
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
58°F |
5 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castine.
