Runcorn Weather Forecast
- 23
- 32
Showers. Possible late storm
- 22
- 30
Shower or two
- 20
- 31
Shower or two
- 19
- 29
Shower or two
- 18
- 31
Shower or two
- 19
- 32
Shower or two
Today 17 Jan Southeast Coast
Partly cloudy. Medium chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Light winds becoming easterly 15 to 20 km/h in the late afternoon then becoming light in the evening. Daytime maximum temperatures around 30.
Runcorn Temperature Statistics View More
January Temperature
Archerfield Airport (7km)
Lowest 8 January, 2026
19 °CAverage January
25.4 °CHighest 14 January, 2026
33 °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