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As of 05:01 EDT

Weather in Castalia, OH

46°Current weather

Castalia, Sunday, 25 October, 05:01

Clear. Feels like 46°. High 69°, low 44°.

Pressure30.45 inHg
Wind1 mph S
Humidity84%
Visibility6.2 mi
Dew point41°
Mon, 2669° / 45°0Partly cloudy
69 °Partly cloudy

Castalia, Monday, 26 October

Partly cloudy. High 69°, low 45°.

Pressure30.33 inHg
Wind5.7 mph SW
Humidity60%
Visibility6.2 mi
Dew point49°
Tue, 2759° / 54°0Overcast
59 °Overcast

Castalia, Tuesday, 27 October

Overcast. High 59°, low 54°.

Pressure30.36 inHg
Wind8.5 mph E
Humidity73%
Visibility6.2 mi
Dew point50°
Wed, 2867° / 51°0Overcast
67 °Overcast

Castalia, Wednesday, 28 October

Overcast. High 67°, low 51°.

Pressure30.30 inHg
Wind4.8 mph SE
Humidity66%
Visibility6.2 mi
Dew point52°
Thu, 2971° / 55°0Overcast
71 °Overcast

Castalia, Thursday, 29 October

Overcast. High 71°, low 55°.

Pressure30.15 inHg
Wind12.6 mph SW
Humidity46%
Visibility—
Dew point47°
Fri, 3064° / 59°0.02Light rain
64 °Light rain

Castalia, Friday, 30 October

Light rain. High 64°, low 59°.

Pressure30.21 inHg
Wind8.6 mph SW
Humidity84%
Visibility—
Dew point57°
Sat, 3169° / 58°0.01Light rain
69 °Light rain

Castalia, Saturday, 31 October

Light rain. High 69°, low 58°.

Pressure30.21 inHg
Wind8.1 mph SE
Humidity44%
Visibility—
Dew point44°
Sun, 0168° / 56°0Overcast
68 °Overcast

Castalia, Sunday, 1 November

Overcast. High 68°, low 56°.

Pressure30.18 inHg
Wind8.9 mph SW
Humidity50%
Visibility—
Dew point46°
Mon, 0269° / 59°0Overcast
69 °Overcast

Castalia, Monday, 2 November

Overcast. High 69°, low 59°.

Pressure30.00 inHg
Wind18.2 mph S
Humidity60%
Visibility—
Dew point54°
Tue, 0368° / 62°0.07Light rain
68 °Light rain

Castalia, Tuesday, 3 November

Light rain. High 68°, low 62°.

Pressure29.74 inHg
Wind24.9 mph S
Humidity79%
Visibility—
Dew point59°
Wed, 0461° / 54°0.01Light rain
61 °Light rain

Castalia, Wednesday, 4 November

Light rain. High 61°, low 54°.

Pressure29.74 inHg
Wind15.9 mph SW
Humidity50%
Visibility—
Dew point40°
Thu, 0552° / 48°0Light rain
52 °Light rain

Castalia, Thursday, 5 November

Light rain. High 52°, low 48°.

Pressure29.88 inHg
Wind15.5 mph W
Humidity61%
Visibility—
Dew point38°
Fri, 0659° / 41°0Partly cloudy
59 °Partly cloudy

Castalia, Friday, 6 November

Partly cloudy. High 59°, low 41°.

Pressure29.85 inHg
Wind14 mph SW
Humidity47%
Visibility—
Dew point34°
Sat, 0761° / 47°0Overcast
61 °Overcast

Castalia, Saturday, 7 November

Overcast. High 61°, low 47°.

Pressure29.44 inHg
Wind22.4 mph W
Humidity58%
Visibility—
Dew point45°
Sun, 0851° / 46°0Overcast
51 °Overcast

Castalia, Sunday, 8 November

Overcast. High 51°, low 46°.

Pressure29.94 inHg
Wind21.6 mph W
Humidity61%
Visibility—
Dew point38°
Mon, 0959° / 43°0Overcast
59 °Overcast

Castalia, Monday, 9 November

Overcast. High 59°, low 43°.

Pressure29.97 inHg
Wind17.1 mph SE
Humidity47%
Visibility—
Dew point35°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Castalia, OH are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Castalia, OH since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.