Castine, ME Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Castine, ME in one place.
Mostly sunny, with a high near 58. Southeast wind 5 to 10 mph.
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: Jun 2, 2026 12:21 AM EDT.
The active forecast window currently covers Jun 3 to Jun 8, 2026 for Castine, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 12:21 AM EDT
- Forecast office
- CAR
- Source
- NOAA / NWS
Daily Outlook
This Week in Castine
Friday looks like the warmest upcoming period in Castine at 68 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Thursday at about 5 to 15 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 12:21 AM 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
Mostly clear, with a low around 51. Southwest wind 5 to 10 mph.
Sunny, with a high near 62.
Mostly clear, with a low around 54.
Mostly sunny, with a high near 68.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 54.
A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
A slight chance of rain showers. Partly sunny, with a high near 64.
A slight chance of rain showers. Mostly cloudy, with a low around 51.
A slight chance of rain showers. Partly sunny, with a high near 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Mostly Sunny
|
58°F |
5 to 10 mph
SE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
51°F |
5 to 10 mph
SW
|
|
Thursday
Jun 4
|
Sunny
|
62°F |
5 to 15 mph
SW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
54°F |
5 to 15 mph
SW
|
|
Friday
Jun 5
|
Mostly Sunny
|
68°F |
5 to 10 mph
SW
|
|
Friday Night
Jun 5
|
Mostly Cloudy then Slight Chance Rain Showers
|
54°F |
5 to 10 mph
SW
|
|
Saturday
Jun 6
|
Chance Rain Showers
|
66°F |
5 to 10 mph
S
|
|
Saturday Night
Jun 6
|
Chance Rain Showers
|
52°F |
5 to 10 mph
E
|
|
Sunday
Jun 7
|
Slight Chance Rain Showers
|
64°F |
5 to 10 mph
E
|
|
Sunday Night
Jun 7
|
Slight Chance Rain Showers
|
51°F |
5 to 10 mph
E
|
|
Monday
Jun 8
|
Slight Chance Rain Showers
|
64°F |
5 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castine.