Donald Weather Forecast
- 58
- 91
Increasing Clouds
- 55
- 79
Mostly Sunny
- 52
- 73
Mostly Sunny
- 54
- 79
Mostly Sunny
- 55
- 81
Mostly Sunny
- 55
- 73
Partly Sunny
Today 10 Sep East Bay Interior Valleys
Partly cloudy in the morning then becoming sunny. Highs in the upper 90s. West Winds 5 to 15 Mph.
Tonight 10 Sep East Bay Interior Valleys
Mostly clear. Lows in the lower 60s. Southwest Winds 5 to 15 Mph.
Donald Temperature Statistics
September Temperature
Concord, Buchanan Field (10.6 miles)
Lowest 7 September, 2026
54.6 °FAverage September
70 °FHighest 8 September, 2026
93.9 °F
Climate (2021–2026)
Concord, Buchanan Field (10.6 miles)
Average Low 2021–2026
51 °FAverage 2021–2026
61.6 °FAverage High 2021–2026
74.2 °F