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As of 00:48 EDT

Weather in Port William, OH

45°Current weather

Port William, Tuesday, 20 October, 00:48

Clear. Feels like 43°. High 70°, low 39°.

Pressure30.36 inHg
Wind3.4 mph NE
Humidity81%
Visibility6.2 mi
Dew point39°
Wed, 2169° / 39°0Clear
69 °Clear

Port William, Wednesday, 21 October

Clear. High 69°, low 39°.

Pressure30.27 inHg
Wind3.1 mph N
Humidity60%
Visibility6.2 mi
Dew point49°
Thu, 2266° / 44°0Clear
66 °Clear

Port William, Thursday, 22 October

Clear. High 66°, low 44°.

Pressure30.24 inHg
Wind5.8 mph N
Humidity66%
Visibility6.2 mi
Dew point51°
Fri, 2359° / 43°0Clear
59 °Clear

Port William, Friday, 23 October

Clear. High 59°, low 43°.

Pressure30.39 inHg
Wind7.3 mph E
Humidity66%
Visibility6.2 mi
Dew point44°
Sat, 2462° / 38°0Clear
62 °Clear

Port William, Saturday, 24 October

Clear. High 62°, low 38°.

Pressure30.45 inHg
Wind7 mph E
Humidity43%
Visibility—
Dew point35°
Sun, 2567° / 42°0Overcast
67 °Overcast

Port William, Sunday, 25 October

Overcast. High 67°, low 42°.

Pressure30.45 inHg
Wind7.9 mph S
Humidity40%
Visibility—
Dew point38°
Mon, 2668° / 54°0Overcast
68 °Overcast

Port William, Monday, 26 October

Overcast. High 68°, low 54°.

Pressure30.27 inHg
Wind8.2 mph W
Humidity43%
Visibility—
Dew point43°
Tue, 2766° / 43°0.1Light rain
66 °Light rain

Port William, Tuesday, 27 October

Light rain. High 66°, low 43°.

Pressure30.06 inHg
Wind15.5 mph NW
Humidity46%
Visibility—
Dew point43°
Wed, 2842° / 30°0Mostly clear
42 °Mostly clear

Port William, Wednesday, 28 October

Mostly clear. High 42°, low 30°.

Pressure30.33 inHg
Wind16.6 mph NW
Humidity35%
Visibility—
Dew point14°
Thu, 2947° / 26°0Clear
47 °Clear

Port William, Thursday, 29 October

Clear. High 47°, low 26°.

Pressure30.24 inHg
Wind13.3 mph W
Humidity28%
Visibility—
Dew point12°
Fri, 3052° / 30°0Clear
52 °Clear

Port William, Friday, 30 October

Clear. High 52°, low 30°.

Pressure30.21 inHg
Wind9.1 mph SW
Humidity25%
Visibility—
Dew point14°
Sat, 3162° / 39°0Overcast
62 °Overcast

Port William, Saturday, 31 October

Overcast. High 62°, low 39°.

Pressure30.27 inHg
Wind7.7 mph S
Humidity23%
Visibility—
Dew point20°
Sun, 0165° / 44°0Overcast
65 °Overcast

Port William, Sunday, 1 November

Overcast. High 65°, low 44°.

Pressure30.27 inHg
Wind10.7 mph SW
Humidity30%
Visibility—
Dew point28°
Mon, 0257° / 51°0.91Rain
57 °Rain

Port William, Monday, 2 November

Rain. High 57°, low 51°.

Pressure30.00 inHg
Wind14.5 mph S
Humidity96%
Visibility—
Dew point52°
Tue, 0357° / 48°0.19Rain
57 °Rain

Port William, Tuesday, 3 November

Rain. High 57°, low 48°.

Pressure29.88 inHg
Wind13.6 mph NW
Humidity76%
Visibility—
Dew point44°
Wed, 0455° / 46°0Overcast
55 °Overcast

Port William, Wednesday, 4 November

Overcast. High 55°, low 46°.

Pressure30.06 inHg
Wind12.5 mph NW
Humidity55%
Visibility—
Dew point37°

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 Port William, 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 Port William, 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.