- Kids stay & eat for free at Marriot Bonvoy
- Destinations include Europe, Middle East & Africa
- Valid for up to 2 adults & 2 kids aged up to 12
Boise weather live forecast
Today's maximum temperature in Boise is expected to be 30°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.
-
Wednesday
17th Sep -
Thursday
18th Sep -
Friday
19th Sep -
Saturday
20th Sep -
Sunday
21st Sep
5-day weather forecast updated at 04:01 on Thursday 18th September 2025 GMT
More about Boise
Boise by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Idaho
The 5-day weather forecast for Idaho (Boise) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.
Boise weather forecast by day
Below are the detailed weather forecasts for Boise for the next 5 days.
Boise weather for Wednesday 17th September 2025
Expect clear skies in Boise, Idaho with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.
- °C maximum temperature
- °C minimum temperature
- clear skies
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- low heat & humidity
- kph wind from E
Boise weather for Thursday 18th September 2025
Expect scattered clouds in Boise, Idaho with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- moderate heat & humidity
- kph wind from E
Boise weather for Friday 19th September 2025
Expect broken clouds in Boise, Idaho with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- low heat & humidity
- kph wind from E
Boise weather for Saturday 20th September 2025
Expect scattered clouds in Boise, Idaho with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- low heat & humidity
- kph wind from E
Boise weather for Sunday 21st September 2025
Expect broken clouds in Boise, Idaho with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- low heat & humidity
- kph wind from NW
- Save up to £900 per couple on 2026 tours worldwide
- Discount varies by destination. T&Cs apply
- Travel between 1st Jan & 31st Dec 2026 (inclusive)
Expires at 23:59 on Tuesday 30th Sep 2025 · View all Cosmos offers
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holiday destinations
- Beach holidays
- City breaks
- Family holidays
- Half term holidays
- Spring holidays
- Summer holidays
- Autumn holidays
- Winter sun holidays
- Honeymoons
- Coolcations
- Compare places
- Ski resorts
Save with latest deals & discounts
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- TUI
- Jet2holidays
- Neilson
- Marella Cruises
- Roamless eSIMs
- Confused.com
- Pierre & Vacances
- Caledonian Travel
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport