Jonathan Weather Forecast
- 16
- 37
Mostly Sunny
- 18
- 37
Mostly Sunny
- 25
- 38
Mostly Cloudy
- 31
- 37
Rain/Snow
- 29
- 43
Rain Likely
- 30
- 41
Rain Likely
- 32
- 44
Rain Likely
Today 28 Jan Lower Treasure Valley
Sunny. Highs 34 to 39. Light Winds.
Tonight 28 Jan Lower Treasure Valley
Mostly clear. Lows 16 to 21. Light Winds.
Jonathan Temperature Statistics
January Temperature
Ontario Municipal Airport (17.4 miles)
Lowest 22 January, 2025
11.8 °FAverage January
33.8 °FHighest 6 January, 2025
51.7 °F
Climate (2020–Present)
Ontario Municipal Airport (17.4 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
42.6 °FAverage 2020–2025
54.6 °FAverage High 2020–2025
67.1 °F