Union Gap Weather Forecast
- 30
- 41
Rain Likely
- 28
- 43
Rain
- 23
- 43
Chance Rain/Snow
- 23
- 39
Chance Snow
- 22
- 37
Chance Snow
- 18
- 32
Chance Snow
Today 30 Jan Yakima Valley
Mostly sunny. Highs in the upper 30s to lower 40s. Light wind.
Tonight 30 Jan Yakima Valley
Cloudy. A 50 percent chance of rain or snow overnight. Lows in the upper 20s to lower 30s. Light wind.
Union Gap Temperature Statistics
January Temperature
Yakima Air Terminal - McAllister Field (2.5 miles)
Lowest 21 January, 2025
13.7 °FAverage January
32 °FHighest 11 January, 2025
52.6 °F
Climate (2020–Present)
Yakima Air Terminal - McAllister Field (2.5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
39.6 °FAverage 2020–2025
52.7 °FAverage High 2020–2025
65 °F