See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
12°
Clear
Feels Like: 17°
Min: 10°
Max: 28°
The next few hours will be clear, with today reaching 28°C and dropping to 13°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:33
Sunrise
19:47
Sunset
Moon
Waxing Crescent
13:45
Moonrise
21:45
Moonset
Daily Forecast
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Weather in Nampa today, September 16, 2026
Nampa starts September 16, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Cloud leads the morning, peaking close to 100% near 08:00. Sunshine has little room until later in the day.
The day peaks near 28°C and cools toward 10°C. The air stays humid, with relative humidity between 16% and 88% and the peak around 23:00. Expect gentle winds, highest near 04:00 at 3.1 km/h.
Afternoon skies stay clogged, peaking close to 68% near 15:00. The grey theme continues rather than clearing out. Expect visibility around 16.1 km. Daylight runs from 07:33 to 19:47, lasting 12 hours 13 minutes of sunlight today.
The practical takeaway for Nampa is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 28°C.
Frequently asked questions about weather in Nampa
How warm does it get in Nampa?
The warmest month in Nampa is July, with average high temperatures of 36°C. The average temperature during this period is around 27°C.
How cold does it get in Nampa?
The coldest month in Nampa is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Nampa?
The wettest month in Nampa is December, with an average of 46mm of precipitation.
What is the driest time of year in Nampa?
The driest month in Nampa is July, with an average of 3mm of precipitation.