Castine, OH Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Castine, OH in one place.
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms between 7am and 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 54 in the afternoon. Southwest wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Castine, OH 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: Apr 17, 2026 5:42 PM EDT.
The active forecast window currently covers Apr 18 to Apr 23, 2026 for Castine, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 23, 2026
- Latest sync
- Apr 17, 2026 5:42 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Castine
Thursday looks like the warmest upcoming period in Castine at 79 degrees F.
Sunday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Sunday at about 10 to 20 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 17, 2026 5:42 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- ILN
- Radar station
- KILN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 37. Northwest wind 10 to 17 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 55. West wind 10 to 20 mph, with gusts as high as 30 mph.
Partly cloudy, with a low around 32.
Sunny, with a high near 53.
Mostly clear, with a low around 38.
Mostly sunny, with a high near 72.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 54.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 75.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 79.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
70°F |
18 mph
SW
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms
|
37°F |
10 to 17 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
55°F |
10 to 20 mph
W
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
32°F |
6 to 17 mph
NW
|
|
Monday
Apr 20
|
Sunny
|
53°F |
8 mph
N
|
|
Monday Night
Apr 20
|
Mostly Clear
|
38°F |
5 to 10 mph
E
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
72°F |
10 to 17 mph
S
|
|
Tuesday Night
Apr 21
|
Partly Cloudy then Slight Chance Rain Showers
|
54°F |
10 to 15 mph
SW
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers then Mostly Sunny
|
75°F |
13 mph
SW
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
54°F |
7 to 12 mph
SW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
79°F |
7 to 12 mph
SW
|
|
Thursday Night
Apr 23
|
Partly Cloudy then Slight Chance Rain Showers
|
57°F |
10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castine.