Ireland Lake Weather Forecast
- 33
- 49
Patchy Smoke
- 36
- 54
Mostly Sunny
- 38
- 53
Mostly Cloudy
- 36
- 50
Slight Chance Thunderstorms
- 36
- 53
Mostly Sunny
- 36
- 53
Mostly Sunny
Today 18 Sep Yosemite NP outside of the valley
Sunny. Patchy smoke. Highs 55 to 67. South Winds up to 5 Mph shifting to the west in the afternoon.
Tonight 18 Sep Yosemite NP outside of the valley
Clear. Lows 34 to 48. Northeast Winds 5 to 15 Mph with Gusts to around 30 Mph.
Ireland Lake Temperature Statistics
September Temperature
Mammoth Yosemite Airport (27.3 miles)
Lowest 15 September, 2026
32 °FAverage September
60.2 °FHighest 9 September, 2026
84.2 °F
Climate (2021–2026)
Mammoth Yosemite Airport (27.3 miles)
Average Low 2021–2026
29.4 °FAverage 2021–2026
45.7 °FAverage High 2021–2026
60.5 °F