Boise weather in October
Temperature, rain and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: May – June, September – October
What is the weather like in Boise in October?
In October, Boise is mild: daytime highs average 18 °C, and nights cool down to about 6 °C. The sun shines for around 7 hours a day. Rain is rare: about 4 days bring 21 mm in total. All in all, October is an excellent month for a holiday in Boise.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 100 | 92 | 38 |
| Day | 26° | 18° | 10° |
| Night | 13° | 6° | 0° |
| Sun | 9 h | 7 h | 5 h |
| Rain days | 2 | 4 | 7 |
More details for October
- Daylight
- 11 h 6 min07:57 – 19:03
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 40 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−6America/Boise
How the score comes together
- Temperatureweight 50 %98 %
- Sunshineweight 20 %67 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
Boise in October: quick answers
Is Boise hot in October?
No. In October, Boise is mild: daytime highs average 18 °C and nights drop to about 6 °C.
Does it rain much in Boise in October?
Rain is rare: about 4 days bring 21 mm in total.
Boise month by month
The whole year in BoiseAll destinations: USAWhere to go in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences