Ada County (Boise)
Today
Today weather in Ada County
Monday, July 20th, 2026
42°
Sunny
Feels like 36° · Low 20°
Official weather alert: Heat Advisory. A scorching day is predicted for Ada County Today with temperatures soaring to a blistering 42 °C and settling to a still-warm 20 °C at night. It'll be quite breezy in Ada County Today with average wind speeds of 19 km/h. Intermittent light showers are likely, with about 0.36 mm expected.
42° / 20°
Temp
36%
Rain
19 km/h
Wind
26%
Humidity
Ada County Weather Pages
Ada County hourly forecast for today
Scroll right to see more weather forecasts for Ada County today
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 06:21 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 21:20 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | | |  | | | | | | | | | | | |  | | | |  |  | | Next |
| temperatures | 25.7° | 24° | 23.3° | 22.6° | 22.3° | 20.9° | 22.8° | Sunrise | 20° | 21.5° | 23.7° | 25.7° | 33.1° | 37.1° | 40.9° | 41.9° | 42.1° | 40.2° | 39.6° | 39.2° | 38.7° | 37.7° | 32.1° | Sunset | 28° | 26.4° | |
| feels like | 19.7° | 18.4° | 18.1° | 17.8° | 17.7° | 16.5° | 24.6° | 15.4° | 16.4° | 18.3° | 20.2° | 26.9° | 30.6° | 34.8° | 35.9° | 36.4° | 35° | 33.9° | 33° | 33° | 31.7° | 24.2° | 21.6° | 21° | |||
| wind speed | 10 km/h | 8 km/h | 6 km/h | 4 km/h | 3 km/h | 2 km/h | 4 km/h | 3 km/h | 5 km/h | 7 km/h | 8 km/h | 11 km/h | 13 km/h | 11 km/h | 10 km/h | 9 km/h | 6 km/h | 9 km/h | 11 km/h | 9 km/h | 10 km/h | 20 km/h | 12 km/h | 8 km/h | |||
| wind degree | 51° | 57° | 65° | 32° | 25° | 344° | 359° | 342° | 311° | 299° | 267° | 270° | 289° | 299° | 307° | 312° | 302° | 272° | 281° | 280° | 284° | 315° | 336° | 335° | |||
| wind direction | NE | ENE | ENE | NNE | NNE | NNW | N | NNW | NW | WNW | W | W | WNW | WNW | NW | NW | WNW | W | WNW | W | WNW | NW | NNW | NNW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.1 mm | 0.2 mm | 0 mm | 0.1 mm | 0 mm | |||
| chance for rain | 0% | 1% | 1% | 1% | 1% | 2% | 1% | 1% | 1% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 8% | 17% | 17% | 1% | 17% | 1% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 29% | 35% | 35% | 38% | 40% | 49% | 50% | 46% | 40% | 31% | 28% | 23% | 19% | 13% | 12% | 12% | 13% | 12% | 13% | 13% | 14% | 15% | 18% | 21% | |||
| dew point | 6.6° | 7.5° | 7° | 7.8° | 8.1° | 9.8° | 8.6° | 8.2° | 7.4° | 5.7° | 5.9° | 9.2° | 10° | 7.6° | 6.6° | 7.1° | 7° | 4.6° | 5.4° | 5.4° | 5.5° | 2.5° | 1.7° | 2.5° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 11 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 9 km | 10 km | 10 km | 10 km | |||
| cloud cover | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 11% | 83% | 74% | 74% | 6% | 71% | 21% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.5 | 1.5 | 2.9 | 3.8 | 6.1 | 9 | 9.1 | 8.5 | 6.7 | 4.5 | 2.4 | 1 | 0.3 | 0 | 0 | 0 |
View of Ada County today
Explore Ada County live webcam feed to see how the weather is shaping up today in Ada County. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
Stay informed and make the most of your day with our live weather updates from Ada County today.
Weather in Ada County today
The weather in Ada County today is expected to be much warmer than usual, with a forecast temperature of 42 °C, compared to an average of 34 °C for July 20th in recent years.
temperatures
42 °C
rain
0.4 mm
wind
19 km/h
UV
Very High
Ada County daylight overview ☀️
Today in Ada County, The sun rises at 06:21 and sets at 21:20, giving a total daylight duration of 14 hours and 59 minutes.
Top locations in Ada County
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What to wear today in Ada County? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Ada County forecast.
Short-sleeve shirt
Shorts
Lightweight trousers
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
The weather today in Ada County - FAQ
What is the maximum temperature for today in Ada County?
The maximum temperature for today in Ada County is expected to be 42° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Ada County? 🌧️
Yes, there is a 36% chance of rain in Ada County today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Ada County? 🌀
The wind in Ada County is expected to blow at 19 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Ada County today?
Given the forecast of 42 °C with a 36% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Ada County today.
What is the sunrise and sunset time for Ada County today?
The sun is expected to rise at 06:21 and set at 21:20 in Ada County.
How accurate is the weather forecast Ada County today? ✅
Ada County weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Ada County?Get accurate weather forecasts for Ada County, located at latitude 43.614 and longitude -116.203. Stay updated with localized weather information tailored for Ada County.
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