Runcorn Weather Forecast
- 21
- 30
Partly cloudy
- 21
- 35
Partly cloudy
- 23
- 37
Possible afternoon storm
- 23
- 32
Partly cloudy
- 19
- 32
Partly cloudy
- 20
- 31
Possible shower
- 20
- 31
Shower or two
Today 24 Jan Southeast Coast
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm inland in the late afternoon and evening. Light winds. Daytime maximum temperatures around 30.
Runcorn Temperature Statistics View More
January Temperature
Archerfield Airport (7km)
Lowest 21 January, 2026
16.5 °CAverage January
25.5 °CHighest 22 January, 2026
34.5 °C
Climate (2021–Present)
Archerfield Airport (7km)
Average Low 2021–2026
15.3 °CAverage 2021–2026
20.4 °CAverage High 2021–2026
26.9 °C