See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Clear
Feels Like: 20°
Min: 13°
Max: 26°
The next few hours will be clear, with today reaching 26°C and dropping to 13°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:56
Sunrise
19:09
Sunset
Moon
Waxing Crescent
11:42
Moonrise
20:55
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
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Wednesday
Thursday
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Weather in Mountain View today, September 15, 2026
Expect a mostly clear day in Mountain View on September 15, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The opening hours look fair, as cloud stays near 3% around 10:00. Morning errands should face fewer weather interruptions.
The day peaks near 26°C and cools toward 13°C. The air stays humid, with relative humidity between 41% and 95% and the peak around 23:00. Winds stay light, near 3.9 km/h by 16:00, so the day feels still more than breezy.
Through the afternoon cloud remains the main feature, with cover near 81% around 23:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.6 km, briefly nearer 12.2 km. The sun rises at 06:56 and sets at 19:09, for a total of 12 hours 13 minutes of sunlight today.
Taken together, settled sunshine in Mountain View on September 15, 2026 makes outdoor timing easier, with highs near 26°C.
Frequently asked questions about weather in Mountain View
How warm does it get in Mountain View?
The warmest month in Mountain View is August, with average high temperatures of 28°C. The average temperature during this period is around 21°C.
How cold does it get in Mountain View?
The coldest month in Mountain View is February, with average low temperatures of 7°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Mountain View?
The wettest month in Mountain View is January, with an average of 106mm of precipitation.
What is the driest time of year in Mountain View?
The driest month in Mountain View is July, with an average of 0mm of precipitation.
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