Ulmarra Weather Forecast
- 23
- 39
Late shower or two
- 23
- 32
Showers. Possible storm
- 22
- 30
Possible shower
- 21
- 32
Partly cloudy
- 19
- 26
Shower or two
- 17
- 26
Cloudy
- 16
- 27
Partly cloudy
Today 22 Dec Northern Rivers
Mostly sunny day. Slight chance of a shower in the late afternoon and evening. The chance of a thunderstorm in the late afternoon and evening. Winds northerly 15 to 25 km/h tending northwesterly in the morning then tending northwest to northeasterly in the late afternoon. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching 34 to 39.
Ulmarra Temperature Statistics View More
December Temperature
Grafton (Agricultural Research and Advisory Station) (6km)
Lowest 3 December, 2025
13.3 °CAverage December
23.1 °CHighest 6 December, 2025
35.9 °C
Climate (2020–Present)
Grafton (Agricultural Research and Advisory Station) (6km)
Average Low 2020–2025
14.2 °CAverage 2020–2025
19.2 °CAverage High 2020–2025
25.8 °C