Castine, ME Weather Forecast

Local 7-day forecast

58°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Castine, ME in one place.

Wednesday, June 3, 2026
Wind: 5 to 10 mph SE
Wednesday

Mostly sunny, with a high near 58. Southeast wind 5 to 10 mph.

Local 7-day forecast

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
Next High
58°F
Wednesday
Next Low
51°F
Wednesday Night
Rain Outlook
6
Periods mentioning precipitation
Windiest
5 to 15 mph
Thursday

Daily Outlook

Today
Jun 3
Mostly Sunny
58 °F
/ 51°F
Wind 5 to 10 mph
Thu
Jun 4
Sunny
62 °F
/ 54°F
Wind 5 to 15 mph
Fri
Jun 5
Mostly Sunny
68 °F
/ 54°F
Wind 5 to 10 mph
Sat
Jun 6
Chance Rain Showers
66 °F
/ 52°F
Wind 5 to 10 mph
Sun
Jun 7
Slight Chance Rain Showers
64 °F
/ 51°F
Wind 5 to 10 mph
Mon
Jun 8
Slight Chance Rain Showers
64 °F
Wind 5 to 10 mph

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 source

Extended Forecast

Wednesday Night
Jun 3
51°F
Mostly Clear
5 to 10 mph SW

Mostly clear, with a low around 51. Southwest wind 5 to 10 mph.

Thursday
Jun 4
62°F
Sunny
5 to 15 mph SW

Sunny, with a high near 62.

Thursday Night
Jun 4
54°F
Mostly Clear
5 to 15 mph SW

Mostly clear, with a low around 54.

Friday
Jun 5
68°F
Mostly Sunny
5 to 10 mph SW

Mostly sunny, with a high near 68.

Friday Night
Jun 5
54°F
Mostly Cloudy then Slight Chance Rain Showers
5 to 10 mph SW

A slight chance of rain showers after 1am. Mostly cloudy, with a low around 54.

Saturday
Jun 6
66°F
Chance Rain Showers
5 to 10 mph S

A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.

Saturday Night
Jun 6
52°F
Chance Rain Showers
5 to 10 mph E

A chance of rain showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

Sunday
Jun 7
64°F
Slight Chance Rain Showers
5 to 10 mph E

A slight chance of rain showers. Partly sunny, with a high near 64.

Sunday Night
Jun 7
51°F
Slight Chance Rain Showers
5 to 10 mph E

A slight chance of rain showers. Mostly cloudy, with a low around 51.

Monday
Jun 8
64°F
Slight Chance Rain Showers
5 to 10 mph E

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
Castine penob
Castine penob image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.