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Post Falls, ID Weather Tomorrow

Follow tomorrow's Post Falls weather with an accurate 5 day outlook that includes precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Post Falls area and around Kootenai county, Idaho.
Updated: Sat Sep 5th 2026 1:45 AM PDT
Post Falls, ID Weather – 9-5 – Scattered Showers
63° / 46°
Scattered Showers
Post Falls is set for scattered showers with temperatures peaking at 63°F and dipping to 46°F. Rainfall predicted to have a 57% chance with an estimated 0.05in. Winds will be light at 8mph and gusts of 14.1mph at 1 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 91% at 8 PM and 38% being its lowest at 11 AM. Barometric pressure is its highest of 30.1inHg at 9 PM, a lowest point of 29.95inHg at 4 PM with an avg 30.01inHg.
Post Falls, ID Weather – 9-6 – Overcast
71° / 45°

Weather Tomorrow

Overcast
Daytime highs will reach 71°F with lows dropping to 45°F in Post Falls, where it will be overcast. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be light at 6mph and gusts of 15.2mph at 9 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 94% at 6 AM and 32% being its lowest at 2 PM. Barometric pressure is its highest of 30.09inHg at 12 AM, a lowest point of 29.83inHg at 5 PM with an avg 29.96inHg.
Post Falls, ID Weather – 9-7 – Sunny
69° / 49°
Sunny
Daytime highs will reach 69°F with lows dropping to 49°F in Post Falls, where it will be sunny. There might be light rainfall having a 19% chance with an estimated 0.01in. Wind will be moderate, blowing around 11mph on average and gusts of 15mph at 7 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 92% at 6 AM and 29% being its lowest at 5 PM. Barometric pressure is its highest of 30inHg at 11 PM, a lowest point of 29.86inHg at 5 PM with an avg 29.91inHg.
Post Falls, ID Weather – 9-8 – Sunny
72° / 50°
Sunny
Post Falls may see sunshine, with daytime highs of 72°F and overnight lows near 50°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 4mph and gusts of 15.2mph at 1 AM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 85% at 6 AM and 26% being its lowest at 3 PM. Barometric pressure is its highest of 30.12inHg at 10 PM, a lowest point of 29.93inHg at 5 PM with an avg 30.03inHg.
Post Falls, ID Weather – 9-9 – Overcast
75° / 53°
Overcast
In Post Falls, it will be overcast with highs near 75°F and lows around 53°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 4mph and gusts of 12.5mph at 11 PM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 63% at 6 AM and 22% being its lowest at 2 PM. Barometric pressure is its highest of 30.17inHg at 7 AM, a lowest point of 29.92inHg at 5 PM with an avg 30.04inHg.
Post Falls, ID Weather – 9-10 – Sunny
76° / 57°
Sunny
Daytime highs will reach 76°F with lows dropping to 57°F in Post Falls, where bright and sunny conditions. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 11mph on average and gusts of 17mph at 2 PM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 66% at 2 AM and 22% being its lowest at 2 PM. Barometric pressure is its highest of 30.04inHg at 2 AM, a lowest point of 29.8inHg at 5 PM with an avg 29.93inHg.

Currently

Clear 49°F
29.99 inHg.
Barometer
78%
Humidity
NE 6.5 mph
Wind
Clear

5 Day Forecast Nearby

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