Mount Signal Weather Forecast
- 66
- 82
Chance Rain Showers
- 68
- 91
Mostly Sunny
- 70
- 96
Sunny
- 73
- 97
Hot
- 75
- 99
Hot
- 75
- 100
Hot
- 76
- 101
Hot
Today 28 Sep Imperial Valley
Sunny. Highs 96 to 104.
Tonight 28 Sep Imperial Valley
Mostly clear. A slight chance of Showers in the evening. Lows 62 to 72. Southwest wind 5 to 10 Mph in the evening becoming north after midnight. Chance of rain 10 percent.
Mount Signal Temperature Statistics
September Temperature
El Centro, Naval Air Facility (9.9 miles)
Lowest 22 September, 2026
64 °FAverage September
90.3 °FHighest 10 September, 2026
113 °F
Climate (2021–2026)
El Centro, Naval Air Facility (9.9 miles)
Average Low 2021–2026
61.4 °FAverage 2021–2026
76.2 °FAverage High 2021–2026
90.7 °F