Runcorn Weather Forecast
- 19
- 30
Shower or two
- 20
- 30
Partly cloudy
- 20
- 30
Possible morning shower
- 20
- 30
Partly cloudy
- 20
- 31
Partly cloudy
- 20
- 32
Possible shower
- 21
- 30
Shower or two
Today 6 Jan Southeast Coast
Partly cloudy. The chance of fog in the south early this morning. Medium chance of showers, most likely in the late morning and afternoon. The chance of a thunderstorm in the late morning and afternoon. Light winds becoming easterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures around 30.
Runcorn Temperature Statistics View More
January Temperature
Archerfield Airport (7km)
Lowest 3 January, 2026
19.8 °CAverage January
24.7 °CHighest 1 January, 2026
30.8 °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