Grantham Weather Forecast
- 13
- 26
Shower or two
- 14
- 25
Shower or two
- 13
- 26
Partly cloudy
- 14
- 27
Shower or two
- 15
- 26
Shower or two
- 15
- 26
Shower or two
- 16
- 28
Shower or two
Today 26 Apr Southeast Coast
Partly cloudy. High chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm near the coast. Winds southeasterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures in the low to mid 20s.
Grantham Temperature Statistics View More
April Temperature
Gatton (14km)
Lowest 22 April, 2026
10.3 °CAverage April
21.1 °CHighest 8 April, 2026
34.9 °C
Climate (2021–Present)
Gatton (14km)
Average Low 2021–2026
13.4 °CAverage 2021–2026
19.7 °CAverage High 2021–2026
27.4 °C