Ammon

Johnson County, Idaho, United States

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Current Weather

20°

Overcast

Feels Like: 20°

Min:

Max: 23°

The next few hours will be clear, with tomorrow reaching 26°C and dropping to 12°C. The coming days will be drizzle

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Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

21° 18° 15° 15° 14° 13° 13° 12° 11° 16° 21° 23° 24° 25° 26° 26° 26° 26°
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Today
Tomorrow

Daylight Hours

07:13

Sunrise

19:30

Sunset

12 hours 16 minutes of sunlight today

Moon

Waxing Crescent

12:19

Moonrise

20:57

Moonset

Daily Forecast

Tuesday

23°

Today

26°

Thursday

12°
24°

Friday

11°
21°

Saturday

21°

Sunday

23°

Monday

24°

Tuesday

24°

Wednesday

23°

Thursday

11°
24°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

21% Very Dry
Low High

Weather in Ammon tomorrow, September 16, 2026

Sunshine leads the day in Ammon on September 16, 2026, with a patch of cloud building near 00:00. The broader outlook stays fair despite that temporary thickening. The opening hours look fair, as cloud stays near 40% around 00:00. Morning errands should face fewer weather interruptions.

The temperature range runs from about 5°C up to 26°C. Expect humidity between 21% and 54%, most humid near 07:00. A lighter breeze peaks around 15:00 near 2.8 km/h.

Through the afternoon skies look more workable, with cloud near 29% around 15:00. Later outdoor plans have a clearer window than the morning may have suggested. Views remain open at about 16.1 km. Expect sunrise at 07:15, sunset at 19:28, and 12 hours 13 minutes of sunlight today overall.

Taken together, settled sunshine in Ammon on September 16, 2026 makes outdoor timing easier, with highs near 26°C.

Frequently asked questions about weather in Ammon

How warm does it get in Ammon?

The warmest month in Ammon is July, with average high temperatures of 32°C. The average temperature during this period is around 23°C.

How cold does it get in Ammon?

The coldest month in Ammon is January, with average low temperatures of -8°C. The average temperature during this period is around -5°C.

What is the wettest time of year in Ammon?

The wettest month in Ammon is May, with an average of 53mm of precipitation.

What is the driest time of year in Ammon?

The driest month in Ammon is July, with an average of 9mm of precipitation.

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