Local weather forecast

Weather in Castalia, OH

Updated 2026-08-11 13:45 local time · ZIP codes 44824

Overcast
Now72°F

Overcast

High / Low82° / 70°
Rain chance82%
Wind5 mph
Weather alerts

Active alerts

1
Flood Advisory issued August 11 at 7:45AM EDT until August 11 at 10:45AM EDT by NWS Cleveland OH

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of north central Ohio, including the following county, Erie. * WHEN...Until 1045 AM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 743 AM EDT, Doppler radar indicated between 1.5 and 3.5 inches of rain has fallen overnight. Minor flooding is ongoing in the advisory area with some high water impacting roadways. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Sandusky, Northern Milan, Castalia and Bloomingville. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information.

Safety instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Hourly

Next hours

NowOvercast72°14% rain
3 PMOvercast80°25% rain
4 PMOvercast80°25% rain
5 PMPartly Cloudy78°19% rain
6 PMPatchy rain nearby78°38% rain
7 PMPatchy rain nearby77°70% rain
8 PMPatchy rain nearby75°28% rain
9 PMClear74°9% rain
10 PMClear71°12% rain
11 PMClear71°12% rain
12 AMClear70°14% rain
1 AMPartly Cloudy69°18% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
82° 70°Sunny
Rain 82%Gust 17 mph
Tomorrow2026-08-12
Partly Cloudy
77° 67°Partly Cloudy
Rain 43%Gust 10 mph
Thursday2026-08-13
Partly Cloudy
78° 68°Partly Cloudy
Rain 67%Gust 9 mph
Conditions

Weather details

Feels like77°F
Humidity88%
Pressure29.98 inHg
Visibility10 mi
Wind5 mph SSW
Wind gusts7 mph
Precipitation0.00 in
UV index4
Daylight

Sunrise, sunset and moon

Sunrise06:36 AM
Sunset08:36 PM
Moonrise04:34 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 70% over the next 12 hours.

Light layers should work

It feels like 77°F with winds near 5 mph.

Best window: 2 PM

81°F, 13% rain chance and 6 mph wind.

Use extra caution while driving

Visibility is around 10 mi; gusts may reach 24 mph.

Running conditions are less comfortable

Current temperature is 72°F, wind 5 mph, rain chance up to 70%.

Moderate UV protection recommended

UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.

Castalia weather today

Overcast and 72°F in Castalia, OH. Today's high is 82°F with a 82% rain chance. Winds are around 5 mph with gusts near 7 mph. Relative humidity is 88%, pressure is 29.98 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Castalia

Sunrise is at 06:36 AM and sunset is at 08:36 PM. Tomorrow's forecast calls for Partly Cloudy with a high near 77°F and a low near 67°F. The maximum rain chance is 43%.

Nearby

Weather near Castalia

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