Weather in Boise in August
In an average August, Boise sees a daily high around 93°F and a low around 62°F, based on 1980–2026 of local climate records.
| Average high | 93°F |
|---|---|
| Typical high range | 84°F to 100°F |
| Average low | 62°F |
| Typical low range | 55°F to 69°F |
| Average daily precipitation | 0.00 in |
August records
The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
108°F
2018-08-10
Lowest
62°F
1989-08-24
Low
Highest
79°F
2004-08-02
Lowest
41°F
1992-08-25
Feels-like
Highest
115°F
2021-08-04
Lowest
33°F
1992-08-25
Humidity
Highest
18.7 g/m³
2021-08-01
Lowest
3.5 g/m³
1992-08-26
Wind
Highest
30 mph
1999-08-31
Lowest
4 mph
2015-08-24
Gust
Highest
51 mph
1999-08-31
Lowest
11 mph
2001-08-26
Precip
Wettest
2.23 in
1983
Driest
0.00 in
2016
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