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As of 09:29 EST

Weather in Portsmouth, OH

61°Current weather

Portsmouth, Thursday, 5 November, 09:29

Overcast. Feels like 60°. High 67°, low 53°.

Pressure29.91 inHg
Wind4.6 mph N
Humidity88%
Visibility6.2 mi
Dew point56°
Fri, 0661° / 45°0.01Light rain
61 °Light rain

Portsmouth, Friday, 6 November

Light rain. High 61°, low 45°.

Pressure29.97 inHg
Wind8 mph NW
Humidity62%
Visibility6.2 mi
Dew point46°
Sat, 0750° / 39°0Overcast
50 °Overcast

Portsmouth, Saturday, 7 November

Overcast. High 50°, low 39°.

Pressure30.18 inHg
Wind9 mph NW
Humidity56%
Visibility6.2 mi
Dew point35°
Sun, 0857° / 38°0Mostly clear
57 °Mostly clear

Portsmouth, Sunday, 8 November

Mostly clear. High 57°, low 38°.

Pressure30.15 inHg
Wind8.6 mph SW
Humidity45%
Visibility6.2 mi
Dew point34°
Mon, 0960° / 41°0Clear
60 °Clear

Portsmouth, Monday, 9 November

Clear. High 60°, low 41°.

Pressure30.15 inHg
Wind7.6 mph W
Humidity45%
Visibility—
Dew point36°
Tue, 1065° / 43°0Clear
65 °Clear

Portsmouth, Tuesday, 10 November

Clear. High 65°, low 43°.

Pressure30.03 inHg
Wind10.5 mph W
Humidity52%
Visibility—
Dew point44°
Wed, 1160° / 43°0Clear
60 °Clear

Portsmouth, Wednesday, 11 November

Clear. High 60°, low 43°.

Pressure29.94 inHg
Wind6.6 mph NW
Humidity40%
Visibility—
Dew point33°
Thu, 1245° / 35°0Overcast
45 °Overcast

Portsmouth, Thursday, 12 November

Overcast. High 45°, low 35°.

Pressure30.03 inHg
Wind7.2 mph N
Humidity53%
Visibility—
Dew point28°
Fri, 1342° / 26°0Clear
42 °Clear

Portsmouth, Friday, 13 November

Clear. High 42°, low 26°.

Pressure30.09 inHg
Wind7.9 mph NW
Humidity32%
Visibility—
Dew point12°
Sat, 1446° / 29°0Mostly clear
46 °Mostly clear

Portsmouth, Saturday, 14 November

Mostly clear. High 46°, low 29°.

Pressure30.18 inHg
Wind6.7 mph W
Humidity46%
Visibility—
Dew point24°
Sun, 1551° / 30°0Clear
51 °Clear

Portsmouth, Sunday, 15 November

Clear. High 51°, low 30°.

Pressure30.33 inHg
Wind3.9 mph W
Humidity30%
Visibility—
Dew point18°
Mon, 1654° / 35°0Overcast
54 °Overcast

Portsmouth, Monday, 16 November

Overcast. High 54°, low 35°.

Pressure30.24 inHg
Wind3.2 mph S
Humidity31%
Visibility—
Dew point22°
Tue, 1757° / 37°0Clear
57 °Clear

Portsmouth, Tuesday, 17 November

Clear. High 57°, low 37°.

Pressure30.15 inHg
Wind5.8 mph W
Humidity29%
Visibility—
Dew point22°
Wed, 1860° / 39°0Clear
60 °Clear

Portsmouth, Wednesday, 18 November

Clear. High 60°, low 39°.

Pressure30.21 inHg
Wind4.3 mph SW
Humidity38%
Visibility—
Dew point31°
Thu, 1965° / 43°0Clear
65 °Clear

Portsmouth, Thursday, 19 November

Clear. High 65°, low 43°.

Pressure30.18 inHg
Wind8.2 mph SW
Humidity34%
Visibility—
Dew point33°
Fri, 2060° / 52°0.01Light rain
60 °Light rain

Portsmouth, Friday, 20 November

Light rain. High 60°, low 52°.

Pressure30.21 inHg
Wind7.5 mph SW
Humidity53%
Visibility—
Dew point40°

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 Portsmouth, 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 Portsmouth, 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.