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Castalia OH Weather - Clear - 37°F
Clear
37°F
Updated 8:06 am
Feels Like 46°F
Humidity 85%
Wind S 3 mph
Barometer  30.48 in
Dew Point 33°F
Castalia OH Weather - Clear - 3°C
Clear
3°C
Updated 8:06 am
Feels Like 8°C
Humidity 85%
Wind S 5 km/h
Barometer  103.2 kPa
Dew Point 1°C
Castalia, OH Weather and Current Conditionscastalia oh weather forecast

Castalia, OH Weather Forecast

Castalia Ohio WeatherCastalia, Ohio Weather Weather Forecast
14 Day API Castalia, OH Weather Forecast. Note: Our 7 day Castalia, Ohio weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Castalia, OH Weather Forecast Dated: 806 AM Mon Oct 19 2026
Expect a cool pattern with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.

Monday, October 19, 2026

Mid-Morning
Castalia Weather - 2026-10-19 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Castalia Weather - 2026-10-19 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Castalia Weather - 2026-10-19 - Evening - Sunny
59°F 15°C
Sunny
Refreshing around 62°F 17°C, sunny throughout the day, with steady humidity and steady pressure.

Tuesday, October 20, 2026

Mid-Morning
Castalia Weather - 2026-10-20 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Castalia Weather - 2026-10-20 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Castalia Weather - 2026-10-20 - Evening - Sunny
59°F 15°C
Sunny
Mildly cool near 61°F 16°C, sunny throughout the day, with increasing humidity and steady pressure. Winds picking up from E at 3 mph 5 km/h to ENE at 12 mph 19 km/h.

Wednesday, October 21, 2026

Mid-Morning
Castalia Weather - 2026-10-21 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Castalia Weather - 2026-10-21 - Afternoon - Sunny
58°F 15°C
Sunny
Early-Evening
Castalia Weather - 2026-10-21 - Evening - Sunny
57°F 14°C
Sunny
Comfortable at 58°F 15°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the ESE to the ENE at 7 mph 11 km/h.

Thursday, October 22, 2026

Mid-Morning
Castalia Weather - 2026-10-22 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Castalia Weather - 2026-10-22 - Afternoon - Sunny
60°F 15°C
Sunny
Early-Evening
Castalia Weather - 2026-10-22 - Evening - Sunny
59°F 15°C
Sunny
Cool with a high near 60°F 15°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.

Friday, October 23, 2026

Mid-Morning
Castalia Weather - 2026-10-23 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Castalia Weather - 2026-10-23 - Afternoon - Sunny
60°F 16°C
Sunny
Early-Evening
Castalia Weather - 2026-10-23 - Evening - Sunny
58°F 15°C
Sunny
Refreshing around 60°F 16°C, sunny throughout the day, with steady humidity and steady pressure. Winds increasing from the ENE at 6 mph 10 km/h to E at 14 mph 22 km/h.

Saturday, October 24, 2026

Mid-Morning
Castalia Weather - 2026-10-24 - Morning - Overcast
52°F 11°C
Overcast
Mid-Afternoon
Castalia Weather - 2026-10-24 - Afternoon - Sunny
63°F 17°C
Sunny
Early-Evening
Castalia Weather - 2026-10-24 - Evening - Overcast
60°F 16°C
Overcast
Mildly cool near 63°F 17°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SSE to the S at 10 mph 16 km/h.

Sunday, October 25, 2026

Mid-Morning
Castalia Weather - 2026-10-25 - Morning - Overcast
55°F 13°C
Overcast
Mid-Afternoon
Castalia Weather - 2026-10-25 - Afternoon - Overcast
65°F 19°C
Overcast
Early-Evening
Castalia Weather - 2026-10-25 - Evening - Cloudy
64°F 17°C
Cloudy
Comfortable at 65°F 19°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds blowing from the SSW at 18 mph 28 km/h. Gusts up to 28 mph 46 km/h.

Monday, October 26, 2026

Mid-Morning
Castalia Weather - 2026-10-26 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Castalia Weather - 2026-10-26 - Afternoon - Partly Cloudy
62°F 17°C
Partly Cloudy
Early-Evening
Castalia Weather - 2026-10-26 - Evening - Overcast
60°F 16°C
Overcast
Cool with a high near 62°F 17°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds turning from the W to the S at 6 mph 10 km/h.

Tuesday, October 27, 2026

Mid-Morning
Castalia Weather - 2026-10-27 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Castalia Weather - 2026-10-27 - Afternoon - Scattered Showers
68°F 20°C
Scattered Showers
Early-Evening
Castalia Weather - 2026-10-27 - Evening - Scattered Showers
60°F 16°C
Scattered Showers
Mild temperatures up to 68°F 20°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds out of the WSW at 17 mph 28 km/h. Gusts up to 22 mph 35 km/h.

Wednesday, October 28, 2026

Mid-Morning
Castalia Weather - 2026-10-28 - Morning - Overcast
43°F 6°C
Overcast
Mid-Afternoon
Castalia Weather - 2026-10-28 - Afternoon - Cloudy
47°F 8°C
Cloudy
Early-Evening
Castalia Weather - 2026-10-28 - Evening - Overcast
47°F 8°C
Overcast
Cool and brisk at 47°F 8°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds moving from the ESE to the NNE at 14 mph 23 km/h. Gusts up to 21 mph 35 km/h.

Thursday, October 29, 2026

Mid-Morning
Castalia Weather - 2026-10-29 - Morning - Light Sleet
41°F 5°C
Light Sleet
Mid-Afternoon
Castalia Weather - 2026-10-29 - Afternoon - Partly Cloudy
41°F 5°C
Partly Cloudy
Early-Evening
Castalia Weather - 2026-10-29 - Evening - Sunny
42°F 6°C
Sunny
Biting cold near 41°F 5°C, scattered morning sleet before drying out later, with lower humidity and steady pressure. Winds NNE at 7 mph 11 km/h.

Friday, October 30, 2026

Mid-Morning
Castalia Weather - 2026-10-30 - Morning - Sunny
42°F 6°C
Sunny
Mid-Afternoon
Castalia Weather - 2026-10-30 - Afternoon - Sunny
45°F 7°C
Sunny
Early-Evening
Castalia Weather - 2026-10-30 - Evening - Sunny
45°F 7°C
Sunny
Crisp with a high near 45°F 7°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the WSW to the NE at 5 mph 8 km/h.

Saturday, October 31, 2026

Mid-Morning
Castalia Weather - 2026-10-31 - Morning - Sunny
40°F 4°C
Sunny
Mid-Afternoon
Castalia Weather - 2026-10-31 - Afternoon - Sunny
51°F 11°C
Sunny
Early-Evening
Castalia Weather - 2026-10-31 - Evening - Overcast
50°F 10°C
Overcast
Brisk around 51°F 11°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds turning from the S to the SSE at 10 mph 17 km/h.

Sunday, November 1, 2026

Mid-Morning
Castalia Weather - 2026-11-01 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Castalia Weather - 2026-11-01 - Afternoon - Overcast
58°F 14°C
Overcast
Early-Evening
Castalia Weather - 2026-11-01 - Evening - Cloudy
53°F 12°C
Cloudy
Mildly cool near 58°F 14°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the SSW to the S at 11 mph 18 km/h.

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Weather by the Numbers

Mon, 19th
Castalia OH Weather - Monday, Oct 19, 2026 - Sunny
Hi: 62°F 17°C
Lo: 49°F 9°C
Sunrise 07:48 AM
Sunset 06:43 PM
Wind SW 4 mph6 km/h
Dew Point 32°F0°C
uv Index 3
Barometric Pressure 30.45 in1031 mb
POP 1% *
Humidity 37%
Tue, 20th
Castalia OH Weather - Tuesday, Oct 20, 2026 - Sunny
Hi: 61°F 16°C
Lo: 55°F 13°C
Sunrise 07:49 AM
Sunset 06:42 PM
Wind NE 8 mph13 km/h
Dew Point 47°F9°C
uv Index 3
Barometric Pressure 30.39 in1029 mb
POP 4% *
Humidity 61%
Wed, 21st
Castalia OH Weather - Wednesday, Oct 21, 2026 - Sunny
Hi: 59°F 15°C
Lo: 53°F 12°C
Sunrise 07:50 AM
Sunset 06:40 PM
Wind ENE 6 mph10 km/h
Dew Point 44°F7°C
uv Index 3
Barometric Pressure 30.3 in1026 mb
POP 4% *
Humidity 61%
Thu, 22nd
Castalia OH Weather - Thursday, Oct 22, 2026 - Sunny
Hi: 60°F 16°C
Lo: 53°F 12°C
Sunrise 07:51 AM
Sunset 06:39 PM
Wind NNW 5 mph8 km/h
Dew Point 47°F8°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 4% *
Humidity 64%
Fri, 23rd
Castalia OH Weather - Friday, Oct 23, 2026 - Sunny
Hi: 61°F 16°C
Lo: 55°F 13°C
Sunrise 07:52 AM
Sunset 06:37 PM
Wind ENE 10 mph16 km/h
Dew Point 52°F11°C
uv Index 5
Barometric Pressure 30.36 in1028 mb
POP 7% *
Humidity 73%
Sat, 24th
Castalia OH Weather - Saturday, Oct 24, 2026 - Sunny
Hi: 63°F 17°C
Lo: 50°F 10°C
Sunrise 07:53 AM
Sunset 06:36 PM
Wind SE 7 mph12 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 30.5 in1033 mb
POP 8% *
Humidity 57%
Sun, 25th
Castalia OH Weather - Sunday, Oct 25, 2026 - Overcast
Hi: 66°F 19°C
Lo: 53°F 11°C
Sunrise 07:54 AM
Sunset 06:35 PM
Wind SSW 17 mph28 km/h
Dew Point 45°F7°C
uv Index 4
Barometric Pressure 30.36 in1028 mb
POP 13% *
Humidity 54%
Mon, 26th
Castalia OH Weather - Monday, Oct 26, 2026 - Partly Cloudy
Hi: 62°F 17°C
Lo: 55°F 13°C
Sunrise 07:56 AM
Sunset 06:33 PM
Wind WNW 9 mph14 km/h
Dew Point 43°F6°C
uv Index 5
Barometric Pressure 30.27 in1025 mb
POP 3% *
Humidity 53%
Tue, 27th
Castalia OH Weather - Tuesday, Oct 27, 2026 - Overcast
Hi: 69°F 20°C
Lo: 53°F 11°C
Sunrise 07:57 AM
Sunset 06:32 PM
Wind SW 19 mph31 km/h
Dew Point 46°F8°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 11% *
Humidity 49%
Wed, 28th
Castalia OH Weather - Wednesday, Oct 28, 2026 - Sunny
Hi: 52°F 11°C
Lo: 42°F 6°C
Sunrise 07:58 AM
Sunset 06:31 PM
Wind N 16 mph26 km/h
Dew Point 31°F-1°C
uv Index 3
Barometric Pressure 30.24 in1024 mb
POP 9% *
Humidity 56%
Thu, 29th
Castalia OH Weather - Thursday, Oct 29, 2026 - Patchy Rain Nearby
Hi: 44°F 7°C
Lo: 40°F 4°C
Sunrise 07:59 AM
Sunset 06:29 PM
Wind NE 6 mph10 km/h
Dew Point 35°F2°C
uv Index 1
Barometric Pressure 30.36 in1028 mb
POP 38% *
Humidity 80%
Fri, 30th
Castalia OH Weather - Friday, Oct 30, 2026 - Sunny
Hi: 46°F 8°C
Lo: 42°F 5°C
Sunrise 08:00 AM
Sunset 06:28 PM
Wind N 11 mph18 km/h
Dew Point 29°F-2°C
uv Index 3
Barometric Pressure 30.47 in1032 mb
POP 3% *
Humidity 54%
Sat, 31st
Castalia OH Weather - Saturday, Oct 31, 2026 - Partly Cloudy
Hi: 54°F 12°C
Lo: 38°F 3°C
Sunrise 08:01 AM
Sunset 06:27 PM
Wind SE 7 mph12 km/h
Dew Point 28°F-2°C
uv Index 3
Barometric Pressure 30.62 in1037 mb
POP 3% *
Humidity 51%
Sun, 1st
Castalia OH Weather - Sunday, Nov 1, 2026 - Overcast
Hi: 58°F 15°C
Lo: 42°F 6°C
Sunrise 08:03 AM
Sunset 06:25 PM
Wind SSW 12 mph19 km/h
Dew Point 30°F-1°C
uv Index 3
Barometric Pressure 30.45 in1031 mb
POP 10% *
Humidity 38%
* POP = Probability of Precipitation. Data for 12:00 PM.