Weather in Portsmouth in October
In an average October, Portsmouth sees a daily high around 15°C and a low around 8°C, based on 1980–2026 of local climate records.
| Average high | 15°C |
|---|---|
| Typical high range | 11°C to 18°C |
| Average low | 8°C |
| Typical low range | 4°C to 13°C |
| Average daily precipitation | 3 mm |
October records
The most extreme October on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
25°C
2011-10-01
Lowest
7°C
2018-10-27
Low
Highest
18°C
2018-10-13
Lowest
-3°C
1983-10-30
Feels-like
Highest
25°C
2011-10-01
Lowest
-8°C
1983-10-30
Humidity
Highest
13.8 g/m³
2006-10-10
Lowest
3.7 g/m³
1997-10-28
Wind
Highest
72 km/h
1987-10-16
Lowest
4 km/h
1994-10-08
Gust
Highest
138 km/h
2000-10-30
Lowest
12 km/h
1994-10-01
Precip
Wettest
157 mm
1987
Driest
30 mm
2011
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