Boulder (CO)
Today
Today weather in Boulder
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 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 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 Weather Pages
Boulder hourly forecast for today
Scroll right to see more weather forecasts for Boulder 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 |
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View of Boulder today
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Weather in Boulder today
The weather in Boulder 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 daylight overview ☀️
Today in Boulder, The sun rises at 05:48 and sets at 20:25, giving a total daylight duration of 14 hours and 37 minutes.
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What to wear today in Boulder? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Boulder forecast.
Short-sleeve shirt
Shorts
Lightweight trousers
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
The weather today in Boulder - FAQ
What is the maximum temperature for today in Boulder?
The maximum temperature for today in Boulder is expected to be 37° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Boulder? 🌧️
Yes, there is a 1% chance of rain in Boulder today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Boulder? 🌀
The wind in Boulder 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 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 today.
What is the sunrise and sunset time for Boulder today?
The sun is expected to rise at 05:48 and set at 20:25 in Boulder.
How accurate is the weather forecast Boulder today? ✅
Boulder 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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