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As of 10:33 EDT

Weather in Castalia, OH

53°Current weather

Castalia, Wednesday, 21 October, 10:33

Clear. Feels like 53°. High 62°, low 40°.

Pressure30.30 inHg
Wind2 mph SW
Humidity97%
Visibility6.2 mi
Dew point53°
Thu, 2265° / 42°0Clear
65 °Clear

Castalia, Thursday, 22 October

Clear. High 65°, low 42°.

Pressure30.24 inHg
Wind6.2 mph N
Humidity76%
Visibility6.2 mi
Dew point52°
Fri, 2360° / 47°0Partly cloudy
60 °Partly cloudy

Castalia, Friday, 23 October

Partly cloudy. High 60°, low 47°.

Pressure30.39 inHg
Wind7.9 mph N
Humidity84%
Visibility6.2 mi
Dew point54°
Sat, 2461° / 46°0Clear
61 °Clear

Castalia, Saturday, 24 October

Clear. High 61°, low 46°.

Pressure30.47 inHg
Wind2.2 mph SE
Humidity65%
Visibility6.2 mi
Dew point47°
Sun, 2565° / 47°0Clear
65 °Clear

Castalia, Sunday, 25 October

Clear. High 65°, low 47°.

Pressure30.42 inHg
Wind5.9 mph S
Humidity56%
Visibility—
Dew point46°
Mon, 2667° / 48°0Overcast
67 °Overcast

Castalia, Monday, 26 October

Overcast. High 67°, low 48°.

Pressure30.30 inHg
Wind7.3 mph S
Humidity48%
Visibility—
Dew point44°
Tue, 2756° / 51°0Overcast
56 °Overcast

Castalia, Tuesday, 27 October

Overcast. High 56°, low 51°.

Pressure30.39 inHg
Wind9.4 mph E
Humidity52%
Visibility—
Dew point38°
Wed, 2865° / 50°0Overcast
65 °Overcast

Castalia, Wednesday, 28 October

Overcast. High 65°, low 50°.

Pressure30.15 inHg
Wind9.9 mph SW
Humidity56%
Visibility—
Dew point47°
Thu, 2965° / 52°0.09Light rain
65 °Light rain

Castalia, Thursday, 29 October

Light rain. High 65°, low 52°.

Pressure30.09 inHg
Wind17.2 mph SW
Humidity78%
Visibility—
Dew point53°
Fri, 3054° / 47°0Clear
54 °Clear

Castalia, Friday, 30 October

Clear. High 54°, low 47°.

Pressure30.30 inHg
Wind12.8 mph NE
Humidity52%
Visibility—
Dew point36°
Sat, 3165° / 44°0Overcast
65 °Overcast

Castalia, Saturday, 31 October

Overcast. High 65°, low 44°.

Pressure30.21 inHg
Wind19.9 mph S
Humidity54%
Visibility—
Dew point43°
Sun, 0164° / 56°0.18Light rain
64 °Light rain

Castalia, Sunday, 1 November

Light rain. High 64°, low 56°.

Pressure30.15 inHg
Wind22.6 mph S
Humidity54%
Visibility—
Dew point46°
Mon, 0265° / 58°0.44Rain
65 °Rain

Castalia, Monday, 2 November

Rain. High 65°, low 58°.

Pressure30.00 inHg
Wind17.9 mph S
Humidity71%
Visibility—
Dew point54°
Tue, 0368° / 58°0.68Rain
68 °Rain

Castalia, Tuesday, 3 November

Rain. High 68°, low 58°.

Pressure29.80 inHg
Wind22 mph SE
Humidity65%
Visibility—
Dew point54°
Wed, 0467° / 58°0.19Rain
67 °Rain

Castalia, Wednesday, 4 November

Rain. High 67°, low 58°.

Pressure29.59 inHg
Wind21.2 mph E
Humidity52%
Visibility—
Dew point48°
Thu, 0558° / 54°0.16Light rain
58 °Light rain

Castalia, Thursday, 5 November

Light rain. High 58°, low 54°.

Pressure29.68 inHg
Wind19.6 mph S
Humidity81%
Visibility—
Dew point49°

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.