Irwin Weather Forecast
- 50
- 78
Rain Showers
- 52
- 71
Partly Sunny
- 56
- 75
Chance Rain Showers
- 64
- 78
Rain Showers
- 58
- 81
Chance Thunderstorms
- 57
- 77
Mostly Sunny
Today 14 Jun Union
Partly cloudy with a chance of Showers and Thunderstorms in the Morning, then Showers with Thunderstorms likely in the afternoon. Highs in the upper 70s. Temperatures falling into the lower 70s in the afternoon. Southwest Winds 10 to 15 Mph, becoming west in the afternoon. Chance of rain 100 percent.
Tonight 14 Jun Union
Partly cloudy with a chance of Showers and Thunderstorms. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.
Irwin Temperature Statistics
June Temperature
Marysville Union County Airport (9.9 miles)
Lowest 3 June, 2026
48.2 °FAverage June
73.2 °FHighest 10 June, 2026
91.4 °F
Climate (2021–Present)
Marysville Union County Airport (9.9 miles)
Average Low 2021–2026
43.1 °FAverage 2021–2026
52.7 °FAverage High 2021–2026
62.5 °F