Boise, ID 14-Day Forecast

Idaho, United States 🇺🇸
94°
Sunny right now Today: high 95°, low 62°
Updated 2 hours ago

Boise weather for the next 14 days

Today

Sunny High 95° Low 62°
Precipitation
0% · 0.0 in
11 mph
7 - High
Sunrise / sunset
06:46 AM / 08:53 PM

Thursday, August 13

Sunny High 87° Low 63°
Precipitation
1% · 0.0 in
Max wind
20 mph
Humidity
31%
UV index
5 - Moderate
Sunrise / sunset
06:47 AM / 08:51 PM

Friday, August 14

Sunny High 80° Low 64°
Precipitation
36% · 0.02 in
Max wind
17 mph
Humidity
46%
UV index
5 - Moderate
Sunrise / sunset
06:48 AM / 08:50 PM

Saturday, August 15

Sunny High 93° Low 59°
Precipitation
36% · 0.02 in
Max wind
20 mph
Humidity
41%
UV index
8 - High
Sunrise / sunset
06:49 AM / 08:48 PM

Sunday, August 16

Sunny High 96° Low 62°
Precipitation
1% · 0.0 in
Max wind
9 mph
Humidity
33%
UV index
8 - High
Sunrise / sunset
06:50 AM / 08:47 PM

Monday, August 17

Sunny High 94° Low 66°
Precipitation
2% · 0.0 in
Max wind
11 mph
Humidity
23%
UV index
8 - Very High
Sunrise / sunset
06:51 AM / 08:45 PM

Tuesday, August 18

Sunny High 89° Low 66°
Precipitation
1% · 0.0 in
Max wind
16 mph
Humidity
23%
UV index
8 - Very High
Sunrise / sunset
06:53 AM / 08:44 PM

Wednesday, August 19

Sunny High 85° Low 54°
Precipitation
1% · 0.0 in
Max wind
10 mph
Humidity
25%
UV index
7 - High
Sunrise / sunset
06:54 AM / 08:42 PM

Thursday, August 20

Sunny High 94° Low 60°
Precipitation
1% · 0.0 in
Max wind
7 mph
Humidity
20%
UV index
8 - Very High
Sunrise / sunset
06:55 AM / 08:41 PM

Friday, August 21

Sunny High 101° Low 69°
Precipitation
1% · 0.0 in
Max wind
12 mph
Humidity
11%
UV index
9 - Very High
Sunrise / sunset
06:56 AM / 08:39 PM

Saturday, August 22

Sunny High 97° Low 64°
Precipitation
1% · 0.0 in
Max wind
12 mph
Humidity
20%
UV index
9 - Very High
Sunrise / sunset
06:57 AM / 08:37 PM

Sunday, August 23

Sunny High 100° Low 68°
Precipitation
1% · 0.0 in
Max wind
7 mph
Humidity
17%
UV index
9 - Very High
Sunrise / sunset
06:58 AM / 08:36 PM

Monday, August 24

Sunny High 102° Low 70°
Precipitation
1% · 0.0 in
Max wind
11 mph
Humidity
17%
UV index
9 - Very High
Sunrise / sunset
06:59 AM / 08:34 PM

Tuesday, August 25

Sunny High 99° Low 71°
Precipitation
1% · 0.0 in
Max wind
11 mph
Humidity
19%
UV index
9 - Very High
Sunrise / sunset
07:00 AM / 08:32 PM

Boise 14-day outlook: the story

The warmest day of Boise's 14-day outlook is Monday, August 24 with a high near 102°F (39°C); the coolest night comes Wednesday, August 19, dipping to 54°F (12°C). The trend points warmer: week two runs about 7°F above week one. Highs over the next two weeks average 90°F (32°C), right in line with the typical August high of 91°F (33°C).

No day in the outlook currently carries a strong precipitation signal. For the weekend, expect Saturday 93°F (34°C) and sunny / Sunday 96°F (36°C) and sunny.

For typical conditions month by month, see the Boise climate & average temperatures guide.

Boise forecast questions

Will it rain in Boise this week?
No day in the current 14-day outlook shows a strong rain signal for Boise.
What will be the warmest day in Boise over the next 14 days?
Monday, August 24, with a forecast high near 102°F (39°C).
How accurate is a 14-day forecast for Boise?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.

Average temperatures in Boise by month

Monthly averages for Boise based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 39° 25° 10 2.0 in 6.4 h/day 75%
February 45° 28° 10 1.6 in 7.5 h/day 66%
March 54° 34° 10 1.6 in 9.2 h/day 59%
April 62° 39° 7 1.3 in 10.9 h/day 50%
May 71° 48° 8 1.6 in 12.2 h/day 49%
June 83° 57° 3 0.9 in 13.4 h/day 40%
July 94° 65° 1 0.1 in 14.0 h/day 27%
August 91° 64° 1 0.1 in 12.9 h/day 30%
September 80° 55° 3 0.5 in 11.1 h/day 39%
October 65° 43° 5 1.0 in 9.2 h/day 53%
November 49° 32° 8 1.4 in 7.1 h/day 65%
December 38° 25° 12 2.2 in 5.6 h/day 75%
14-day forecasts nearby