Area Conditions for Boise, ID
 
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Temperature: 79 oF
Feels Like: 78 oF
Humidity: 27%
Barometer: 29.93
Dew Point: 42 oF
Wind Dir.: N
Wind Speed: 0 mph
Sunrise: 7:28
Sunset: 7:49
Observation: Sunny
Radar
As reported at BOISE, ID at 1:00 PM

5-day Forecast for Boise, ID
Date Thu
9/18		 Fri
9/19		 Sat
9/20		 Sun
9/21		 Mon
9/22
Weather Condition Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear
Weather Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear
Temperature (°F)
Low/High		 59/86 60/86 61/85 60/79 50/78
Feels Like (°F)
Low/High		 59/86 60/86 61/85 60/79 50/78
Dew Point (°F) 40 39 45 45 36
Humidity (%) 22 25 33 37 34
Wind Speed (mph) 4 5 5 9 7
Precipitation
Chance (%)		 - - - - -
Precipitation
Amount (inches)
S=Snow, L=Liquid		 None None None None None
Evapo-
transpiration
(inches/day)		 0.17 0.18 0.17 0.21 0.2

County Forecast for Boise , ID
 
181700-
Upper Treasure Valley-
307 AM MDT Thu Sep 18 2025

Today   Sunny. Highs 84 to 89. East winds 10 to 15 mph.
Tonight   Mostly cloudy. Lows 53 to 60. Northeast winds up to 10 mph.
Friday   Decreasing clouds. Highs 84 to 89. East winds 10 to 15 mph.
Friday night   Mostly cloudy. Lows 53 to 60. Northwest winds up to 10 mph in the evening, shifting to east after midnight.
Saturday   Mostly sunny. Highs 83 to 88. East winds up to 10 mph in the morning, shifting to west around 10 mph in the afternoon.
Saturday night and sunday   Partly cloudy. Lows 53 to 59. Highs 78 to 83.
Sunday night   Mostly clear. Lows 44 to 50.
Monday and monday night   Clear. Highs 76 to 81. Lows 46 to 52.
Tuesday   Sunny. Highs 83 to 88.
Tuesday night and wednesday   Mostly clear. Lows 49 to 56. Highs 82 to 87. && TEMPERATURE Boise 86 60 86 Mountain Home 88 54 87

DTN Weather Summary

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Bryce Anderson – DTN Meteorologist
Bio
Another Rainy Day for Central US Thursday

» More DTN Weather Commentary
Posted at 5:35AM Thu Sep 18, 2025 CDT
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