Idaho, United States Weather

  1. Idaho, United States Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Idaho over the next 12 hours
  7. Temperature and possibility of rain in Idaho in the coming days
  8. Rainfall in Idaho in the coming days
  9. Idaho Weather Summary
  10. Weather averages by month
  11. Idaho's weather
  12. Frequently asked questions
  13. Comments
Idaho, Weather
(Photo by Chris Bair on Unsplash)

Current conditions

Updated:
9°C
48.2°F
°C °F

Condition: Clear Sky

Pressure: 762 hPa

Feel like: 4 °C

Temperature: 9°C

Cloud: 0%

Humidity: 21%

Wind: SE - 6 km/h

Visibility: 78.6 km

Weather forecast

Fri
11 Sep
5°C / 15°C
Overcast
Sat
12 Sep
5°C / 17°C
Overcast
Sun
13 Sep
0°C / 9°C
Snow Showers Slight
Mon
14 Sep
-2°C / 12°C
Partly Cloudy
Tue
15 Sep
1°C / 15°C
Partly Cloudy
Hourly forecast today:
10:00 AM
-12° / 9°
-12° / 9°
Clear Sky
21% 6 km/h
11:00 AM
-11° / 8°
-11° / 8°
Clear Sky
22% 5 km/h
12:00 PM
-11° / 8°
-11° / 8°
Clear Sky
22% 7 km/h
13:00 PM
-13° / 8°
-13° / 8°
Clear Sky
20% 10 km/h
14:00 PM
-12° / 8°
-12° / 8°
Clear Sky
22% 15 km/h
15:00 PM
-8° / 10°
-8° / 10°
Clear Sky
26% 14 km/h
16:00 PM
-5° / 14°
-5° / 14°
Clear Sky
25% 22 km/h
17:00 PM
-6° / 15°
-6° / 15°
Clear Sky
22% 28 km/h
18:00 PM
-5° / 17°
-5° / 17°
Clear Sky
21% 35 km/h
19:00 PM
-5° / 17°
-5° / 17°
Overcast
20% 39 km/h
20:00 PM
-5° / 18°
-5° / 18°
Overcast
19% 43 km/h

30 Day Averages and Extremes

  • Average high 16.7°C
  • Average low 4.8°C
  • Hottest day 24°C (19 September 2026)
  • Coldest day -2°C (14 September 2026)
  • Average humidity 45.73%
  • Days with precipitation 19 days
  • Highest precipitation 29 mm (13 September 2026)

Yesterday's Data

  • Max: 17°C
  • Min: 2°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Idaho over the next 12 hours

Temperature and possibility of rain in Idaho in the coming days

Rainfall in Idaho in the coming days

Idaho Climate Summary

Idaho features a Subartic, subalpine (Köppen classification: Dsc), with an average annual temperature of 2.72ºC (36.9ºF), which is about -9.92% lower than the national average for United States. Annually, the city experiences approximately 42.07 millimeters (1.66 inches) of rainfall, spread across 116.74 rainy days, accounting for 31.98% of the year.

Longitude 44.0682019
Latitude -114.7420408
Yearly high temperature 7.12ºC (44.82ºF)
Yearly low temperature -5.11ºC (22.8ºF)
Hottest month July 22.51ºC (72.52ºF)
Coldest month November -9.81ºC (14.34ºF)
Yearly precip 42.07mm (1.66in)
Days with rainfall 116.74 days (31.98%)
Driest month August (43.9%)
Wettest month February (90.29%)

Weather averages by month

Month High / Low (°C) Rain
January -3.38° / -14.59° 10.09 days
February -3.56° / -13.92° 12.09 days
March -0.63° / -10.77° 13.0 days
April 2.69° / -8.49° 12.73 days
May 9.28° / -2.93° 12.18 days
June 15.68° / 1.74° 9.82 days
July 22.51° / 6.15° 4.91 days
August 22.01° / 6.13° 5.0 days
September 16.88° / 2.51° 6.91 days
October 7.93° / -2.97° 8.73 days
November 0.17° / -9.81° 9.73 days
December -4.12° / -14.38° 11.55 days

Idaho's weather

Frequently asked questions

1. What is the hottest month in Idaho?

July has the highest average monthly temperature (daily mean of 22.51ºC) and November are the coolest (daily mean of -9.81ºC).

2. What should I wear in Idaho today?

For today's mild weather in Idaho, with temperatures between 15ºC to 18ºC (59.0ºF to 64.4ºF), consider wearing:
- Comfortable jeans or slacks
- Long-sleeve shirt or blouse
- Sun hat (if spending time outdoors)
- Lightweight sweater or cardigan

Temperature

Early
-7°C / 10°C
Morning
-11°C / 9°C
Afternoon
-8°C / 10°C
Evening
-5°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 441
  • CO 110
  • NH3 0
  • NO2 5
  • O3 85
  • PM10 3
  • PM25 2
  • SO2 0
  • CH4 1,343

Sunrise / Sunset

13:12
01:58