Post Falls

San Juan County, Idaho, United States

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Current Weather

23°

Clear

Feels Like: 13°

Min: 10°

Max: 23°

The next few hours will be clear, with today reaching 23°C and dropping to 14°C. The coming days will be mostly clear from afternoon until night.

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Hourly Forecast

23° 22° 22° 19° 18° 17° 17° 17° 16° 16° 15° 15° 15° 15° 14° 15° 16° 17° 18° 18° 19° 18° 18° 17°
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6pm
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1am
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3am
4am
5am
6am
7am
8am
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Today
Tomorrow

Daylight Hours

06:33

Sunrise

18:49

Sunset

12 hours 15 minutes of sunlight today

Moon

Waxing Crescent

13:06

Moonrise

20:29

Moonset

Daily Forecast

Today

10°
23°

Thursday

19°

Friday

12°

Saturday

16°

Sunday

14°

Monday

13°

Tuesday

17°

Wednesday

18°

Thursday

25°

Friday

13°
29°

Air Quality Data Available

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UV Index

Wear sunscreen
3 Moderate
Low Extreme

Humidity

35% Dry
Low High

Weather in Post Falls today, September 16, 2026

Post Falls is set for a fine, sunny day on September 16, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside.

Expect highs of 23°C and cooler readings close to 10°C. Moisture in the air spans 35%-49%, with the highest values around 21:00. A lighter breeze peaks around 23:00 near 3.3 km/h.

Afternoon conditions open up, holding cloud close to 0% near 16:00. The day finishes on a milder, brighter note. Expect visibility around 16.1 km. Expect sunrise at 06:33, sunset at 18:49, and 12 hours 15 minutes of sunlight today overall.

Overall, Post Falls on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 23°C.

Frequently asked questions about weather in Post Falls

How warm does it get in Post Falls?

The warmest month in Post Falls is July, with average high temperatures of 31°C. The average temperature during this period is around 23°C.

How cold does it get in Post Falls?

The coldest month in Post Falls is February, with average low temperatures of -4°C. The average temperature during this period is around -1°C.

What is the wettest time of year in Post Falls?

The wettest month in Post Falls is December, with an average of 110mm of precipitation.

What is the driest time of year in Post Falls?

The driest month in Post Falls is July, with an average of 7mm of precipitation.

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Metric (°C, km/h)