Boulder County (Boulder)
Today
Today weather in Boulder County
Monday, July 20th, 2026
37°
Sunny
Feels like 30° · Low 18°
Official weather alert: Meteorological - Air Quality Alert. A scorching day is predicted for Boulder County Today with temperatures soaring to a blistering 36 °C and settling to a still-warm 18 °C at night. It'll be quite breezy in Boulder County Today with average wind speeds of 24 km/h. There's a slight chance of rain at 1%.
37° / 18°
Temp
1%
Rain
24 km/h
Wind
26%
Humidity
Boulder County Weather Pages
Boulder County hourly forecast for today
Scroll right to see more weather forecasts for Boulder County today
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 05:48 | 06:00 | 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 | 20:25 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | |  |  | | | | | | | | | | | |  | | | |  |  | | | Next |
| temperatures | 20.3° | 19.9° | 19.3° | 19.1° | 21.1° | 18.2° | Sunrise | 18.2° | 21.4° | 28.5° | 30.2° | 31.5° | 33.1° | 34.5° | 35.8° | 36.4° | 36.7° | 36.8° | 36.9° | 35.3° | 33.7° | 28.2° | Sunset | 25.6° | 25.4° | 26° | |
| feels like | 15.6° | 13.7° | 12.9° | 12.8° | 21.1° | 12.1° | 12° | 15.6° | 24° | 24.5° | 25.5° | 26.8° | 27.9° | 28.5° | 29° | 29.4° | 30° | 29.8° | 27.3° | 25° | 21.9° | 20.2° | 18.9° | 19.8° | |||
| wind speed | 4 km/h | 11 km/h | 12 km/h | 12 km/h | 12 km/h | 11 km/h | 11 km/h | 9 km/h | 3 km/h | 9 km/h | 10 km/h | 12 km/h | 13 km/h | 17 km/h | 18 km/h | 17 km/h | 14 km/h | 16 km/h | 21 km/h | 25 km/h | 12 km/h | 8 km/h | 13 km/h | 12 km/h | |||
| wind degree | 273° | 264° | 264° | 260° | 261° | 255° | 264° | 269° | 40° | 82° | 81° | 88° | 110° | 125° | 125° | 128° | 140° | 130° | 107° | 94° | 57° | 333° | 321° | 332° | |||
| wind direction | W | W | W | W | W | WSW | W | W | NE | E | E | E | ESE | SE | SE | SE | SE | SE | ESE | E | ENE | NNW | NW | 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 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 1% | 1% | 1% | 1% | 2% | 2% | 2% | 1% | 1% | 1% | 0% | 0% | 0% | 0% | 1% | 0% | 1% | 3% | 3% | 1% | 3% | 6% | 4% | 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 | 37% | 38% | 39% | 39% | 43% | 41% | 41% | 34% | 26% | 24% | 22% | 20% | 18% | 16% | 15% | 14% | 14% | 14% | 15% | 16% | 20% | 24% | 25% | 27% | |||
| dew point | 5.3° | 5.2° | 5° | 5° | 5° | 4.9° | 4.8° | 5.1° | 7.3° | 7.3° | 7.3° | 7.4° | 6.7° | 6.2° | 5.6° | 5.4° | 5.3° | 5.3° | 5° | 4.8° | 3.2° | 3.6° | 4.1° | 5.8° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 16 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 | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 6% | 9% | 11% | 13% | 0% | 28% | 25% | 14% | 4% | 4% | 2% | 2% | 2% | 5% | 6% | 5% | 8% | 45% | 44% | 19% | 45% | 75% | 60% | 17% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 1.5 | 3.5 | 6.3 | 9.1 | 11 | 11.9 | 11.3 | 8.9 | 6.1 | 3.5 | 0.8 | 0.4 | 0 | 0 | 0 | 0 |
View of Boulder County today
Explore Boulder County live webcam feed to see how the weather is shaping up today in Boulder 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 Boulder County today.
Weather in Boulder County today
The weather in Boulder County today is expected to be much warmer than usual, with a forecast temperature of 37 °C, compared to an average of 29.5 °C for July 20th in recent years.
temperatures
37 °C
rain
0 mm
wind
24 km/h
UV
Extreme
Boulder County daylight overview ☀️
Today in Boulder County, The sun rises at 05:48 and sets at 20:25, giving a total daylight duration of 14 hours and 37 minutes.
Top locations in Boulder County
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What to wear today in Boulder County? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Boulder County forecast.
Short-sleeve shirt
Shorts
Lightweight trousers
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
The weather today in Boulder County - FAQ
What is the maximum temperature for today in Boulder County?
The maximum temperature for today in Boulder County is expected to be 37° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Boulder County? 🌧️
Yes, there is a 1% chance of rain in Boulder County today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Boulder County? 🌀
The wind in Boulder County is expected to blow at 24 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Boulder County today?
Given the forecast of 37 °C with a 1% 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 Boulder County today.
What is the sunrise and sunset time for Boulder County today?
The sun is expected to rise at 05:48 and set at 20:25 in Boulder County.
How accurate is the weather forecast Boulder County today? ✅
Boulder 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 Boulder County?Get accurate weather forecasts for Boulder County, located at latitude 40.015 and longitude -105.271. Stay updated with localized weather information tailored for Boulder County.
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