See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
18°
Clear
Feels Like: 30°
Min: 10°
Max: 18°
The next few hours will be clear, with today reaching 18°C and dropping to 8°C. The coming days will be mostly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:43
Sunrise
18:53
Sunset
Moon
Waxing Crescent
12:24
Moonrise
21:18
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
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Friday
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Humidity
Weather in Alta Sierra today, September 16, 2026
Expect a mostly clear day in Alta Sierra on September 16, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled.
The day peaks near 18°C and cools toward 10°C. Expect humidity between 39% and 67%, most humid near 21:00. A lighter breeze peaks around 16:00 near 4.3 km/h.
Afternoon conditions open up, holding cloud close to 2% near 23:00. The day finishes on a milder, brighter note. Expect visibility around 16.1 km. Expect sunrise at 06:43, sunset at 18:53, and 12 hours 10 minutes of sunlight today overall.
Taken together, settled sunshine in Alta Sierra on September 16, 2026 makes outdoor timing easier, with highs near 18°C.
Frequently asked questions about weather in Alta Sierra
How warm does it get in Alta Sierra?
The warmest month in Alta Sierra is July, with average high temperatures of 31°C. The average temperature during this period is around 24°C.
How cold does it get in Alta Sierra?
The coldest month in Alta Sierra is January, with average low temperatures of -1°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Alta Sierra?
The wettest month in Alta Sierra is March, with an average of 108mm of precipitation.
What is the driest time of year in Alta Sierra?
The driest month in Alta Sierra is July, with an average of 4mm of precipitation.
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