Boise, ID 14-Day Forecast
Idaho, United States 🇺🇸
94°
Sunny right now
Today: high 102°, low 63°
Updated 9 min ago
Boise weather for the next 14 days
Friday, August 7
Sunny High 103° Low 68°Precipitation
0%
· 0.0 in
Max wind
10 mph
Humidity
11%
UV index
7 - High
Sunrise / sunset
06:40 AM / 09:00 PM
Saturday, August 8
Sunny High 102° Low 66°Precipitation
0%
· 0.0 in
Max wind
12 mph
Humidity
14%
UV index
7 - High
Sunrise / sunset
06:41 AM / 08:59 PM
Sunday, August 9
Sunny High 98° Low 65°Precipitation
0%
· 0.0 in
Max wind
13 mph
Humidity
14%
UV index
8 - High
Sunrise / sunset
06:42 AM / 08:57 PM
Monday, August 10
Sunny High 101° Low 65°Precipitation
1%
· 0.0 in
Max wind
13 mph
Humidity
12%
UV index
9 - Very High
Sunrise / sunset
06:44 AM / 08:56 PM
Tuesday, August 11
Sunny High 100° Low 63°Precipitation
0%
· 0.0 in
Max wind
12 mph
Humidity
17%
UV index
9 - Very High
Sunrise / sunset
06:45 AM / 08:54 PM
Wednesday, August 12
Sunny High 95° Low 62°Precipitation
0%
· 0.0 in
Max wind
14 mph
Humidity
20%
UV index
8 - Very High
Sunrise / sunset
06:46 AM / 08:53 PM
Thursday, August 13
Sunny High 96° Low 60°Precipitation
0%
· 0.0 in
Max wind
12 mph
Humidity
22%
UV index
9 - Very High
Sunrise / sunset
06:47 AM / 08:51 PM
Friday, August 14
Sunny High 93° Low 61°Precipitation
0%
· 0.0 in
Max wind
14 mph
Humidity
21%
UV index
8 - Very High
Sunrise / sunset
06:48 AM / 08:50 PM
Saturday, August 15
Sunny High 94° Low 60°Precipitation
1%
· 0.0 in
Max wind
12 mph
Humidity
21%
UV index
8 - Very High
Sunrise / sunset
06:49 AM / 08:48 PM
Sunday, August 16
Sunny High 94° Low 65°Precipitation
1%
· 0.0 in
Max wind
18 mph
Humidity
19%
UV index
8 - Very High
Sunrise / sunset
06:50 AM / 08:47 PM
Monday, August 17
Sunny High 78° Low 58°Precipitation
2%
· 0.0 in
Max wind
17 mph
Humidity
32%
UV index
7 - High
Sunrise / sunset
06:51 AM / 08:45 PM
Tuesday, August 18
Sunny High 82° Low 48°Precipitation
1%
· 0.0 in
Max wind
7 mph
Humidity
26%
UV index
7 - High
Sunrise / sunset
06:53 AM / 08:44 PM
Wednesday, August 19
Sunny High 86° Low 54°Precipitation
1%
· 0.0 in
Max wind
11 mph
Humidity
23%
UV index
7 - High
Sunrise / sunset
06:54 AM / 08:42 PM
Boise 14-day outlook: the story
The warmest day of Boise's 14-day outlook is Friday, August 7 with a high near 103°F (40°C); the coolest night comes Tuesday, August 18, dipping to 48°F (9°C). The trend points cooler: week two runs about 11°F below week one. Highs over the next two weeks average 100°F (38°C), about 9°F (5°C) above 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 102°F (39°C) and sunny / Sunday 98°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?
Friday, August 7, with a forecast high near 103°F (40°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
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| 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