Boise, ID 14-Day Forecast

Idaho, United States 🇺🇸
71°
Clear right now Today: high 86°, low 64°
Updated 2 hours ago

Boise weather for the next 14 days

Today

Overcast High 86° Low 64°
Precipitation
8% · 0.0 in
8 mph
4 - Moderate
Sunrise / sunset
07:47 AM / 07:19 PM

Tuesday, October 6

Sunny High 86° Low 61°
Precipitation
0% · 0.0 in
Max wind
12 mph
Humidity
20%
UV index
5 - Moderate
Sunrise / sunset
07:48 AM / 07:17 PM

Wednesday, October 7

Sunny High 87° Low 58°
Precipitation
0% · 0.0 in
Max wind
8 mph
Humidity
16%
UV index
5 - Moderate
Sunrise / sunset
07:49 AM / 07:15 PM

Thursday, October 8

Sunny High 87° Low 59°
Precipitation
0% · 0.0 in
Max wind
6 mph
Humidity
19%
UV index
4 - Moderate
Sunrise / sunset
07:50 AM / 07:14 PM

Friday, October 9

Sunny High 90° Low 63°
Precipitation
2% · 0.0 in
Max wind
12 mph
Humidity
20%
UV index
4 - Moderate
Sunrise / sunset
07:51 AM / 07:12 PM

Saturday, October 10

Sunny High 71° Low 53°
Precipitation
3% · 0.0 in
Max wind
16 mph
Humidity
26%
UV index
6 - High
Sunrise / sunset
07:53 AM / 07:10 PM

Sunday, October 11

Sunny High 54° Low 42°
Precipitation
4% · 0.0 in
Max wind
21 mph
Humidity
48%
UV index
4 - Moderate
Sunrise / sunset
07:54 AM / 07:08 PM

Monday, October 12

Overcast High 50° Low 36°
Precipitation
14% · 0.0 in
Max wind
14 mph
Humidity
66%
UV index
2 - Low
Sunrise / sunset
07:55 AM / 07:07 PM

Tuesday, October 13

Sunny High 60° Low 38°
Precipitation
4% · 0.0 in
Max wind
21 mph
Humidity
55%
UV index
5 - Moderate
Sunrise / sunset
07:56 AM / 07:05 PM

Wednesday, October 14

Sunny High 65° Low 39°
Precipitation
2% · 0.0 in
Max wind
8 mph
Humidity
49%
UV index
5 - Moderate
Sunrise / sunset
07:57 AM / 07:03 PM

Thursday, October 15

Sunny High 69° Low 48°
Precipitation
3% · 0.0 in
Max wind
10 mph
Humidity
37%
UV index
5 - Moderate
Sunrise / sunset
07:59 AM / 07:02 PM

Friday, October 16

Sunny High 72° Low 51°
Precipitation
3% · 0.0 in
Max wind
6 mph
Humidity
31%
UV index
6 - High
Sunrise / sunset
08:00 AM / 07:00 PM

Saturday, October 17

Overcast High 76° Low 54°
Precipitation
7% · 0.0 in
Max wind
10 mph
Humidity
31%
UV index
5 - Moderate
Sunrise / sunset
08:01 AM / 06:58 PM

Sunday, October 18

Sunny High 76° Low 52°
Precipitation
1% · 0.0 in
Max wind
8 mph
Humidity
28%
UV index
6 - High
Sunrise / sunset
08:02 AM / 06:57 PM

Boise 14-day outlook: the story

The warmest day of Boise's 14-day outlook is Friday, October 9 with a high near 90°F (32°C); the coolest night comes Monday, October 12, dipping to 36°F (2°C). The trend points cooler: week two runs about 14°F below week one. Highs over the next two weeks average 80°F (27°C), about 15°F (8°C) above the typical October high of 65°F (18°C).

No day in the outlook currently carries a strong precipitation signal. For the weekend, expect Saturday 71°F (22°C) and sunny / Sunday 54°F (12°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, October 9, with a forecast high near 90°F (32°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. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 39° 25° 10 2.0 in 6.4 h/day 9.3 h 34% 75%
February 45° 28° 10 1.6 in 7.5 h/day 10.4 h 34% 66%
March 54° 34° 10 1.6 in 9.2 h/day 11.8 h 32% 59%
April 62° 39° 7 1.3 in 10.9 h/day 13.4 h 23% 50%
May 71° 48° 8 1.6 in 12.2 h/day 14.7 h 26% 49%
June 83° 57° 3 0.9 in 13.4 h/day 15.4 h 11% 40%
July 94° 65° 1 0.1 in 14.0 h/day 15.1 h 3% 27%
August 91° 64° 1 0.1 in 12.9 h/day 14.0 h 3% 30%
September 80° 55° 3 0.5 in 11.1 h/day 12.4 h 10% 39%
October 65° 43° 5 1.0 in 9.2 h/day 10.9 h 15% 53%
November 49° 32° 8 1.4 in 7.1 h/day 9.6 h 27% 65%
December 38° 25° 12 2.2 in 5.6 h/day 8.9 h 37% 75%
14-day forecasts nearby