Castalia, OH Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Castalia, OH in one place.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Castalia, 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 12, 2026 8:22 PM EDT.
The active forecast window currently covers Apr 16 to Apr 19, 2026 for Castalia, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 19, 2026
- Latest sync
- Apr 12, 2026 8:22 PM EDT
- Forecast office
- CLE
- Source
- NOAA / NWS
Daily Outlook
This Week in Castalia
Saturday looks like the warmest upcoming period in Castalia at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Thursday at about 12 to 16 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 12, 2026 8:22 PM EDT
- Coverage
- 4 days
- Time zone
- America/New_York
- Forecast office
- CLE
- Radar station
- KCLE
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 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 56. Chance of precipitation is 50%.
Mostly sunny, with a high near 76.
A chance of rain showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
A chance of rain showers. Partly sunny, with a high near 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Chance Rain Showers
|
75°F |
12 to 16 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
56°F |
7 to 13 mph
SW
|
|
Friday
Apr 17
|
Mostly Sunny
|
76°F |
8 mph
SW
|
|
Friday Night
Apr 17
|
Mostly Cloudy then Chance Rain Showers
|
61°F |
7 to 10 mph
S
|
|
Saturday
Apr 18
|
Rain Showers Likely
|
79°F |
12 to 16 mph
SW
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
48°F |
14 mph
W
|
|
Sunday
Apr 19
|
Chance Rain Showers
|
64°F |
13 to 16 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castalia.