Boise, ID 83706 Monthly Weather

Ada County3:38 AM MDT43.59°N, 116.19°W
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October 2026

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181°/50°Avg 73°/47°
281°/52°Avg 72°/47°
385°/52°Avg 72°/47°
488°/55°Avg 72°/46°
584°/55°Avg 71°/46°
685°/55°Avg 70°/45°
784°/51°Avg 70°/45°
886°/55°Avg 69°/45°
985°/53°Avg 69°/44°
1065°/50°Avg 68°/44°
1156°/42°0.02 inAvg 68°/43°
1255°/39°Avg 67°/43°
1362°/37°Avg 66°/43°
1469°/38°Avg 66°/42°
1571°/39°Avg 65°/42°
1678°/46°Avg 65°/41°
1778°/51°Avg 64°/41°
1873°/44°Avg 64°/41°
1976°/42°Avg 63°/40°
20Avg 63°/40°
21 Mostly Sunny 77°/51°Avg 62°/39°
22 Showers And Thunderstorms Likely 71°/45°Avg 61°/39°
23 Chance Rain Showers 57°/36°Avg 61°/39°
24 Sunny 59°/40°Avg 60°/38°
25 Mostly Sunny 64°/42°Avg 60°/38°
26 Mostly Sunny 64°/41°Avg 59°/38°
27 Mostly Sunny 64°/–Avg 59°/37°
28 Cloudy 64°/42°Avg 58°/37°
29 Cloudy 65°/44°Avg 58°/37°
30Avg 57°/36°
31Avg 56°/36°
Average high76° (normal 68°)
Average low48° (normal 44°)
Warmest / coldest88° / 37°
Precipitation0.02 in (normal 0.45 in to date)
Record high today84° (2003)
Record low today23° (1996)

Observed: Boise Area, 5 km away, records since 1875. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.