temperatures.com

Boulder, CO Hourly Forecast

Colorado, United States 🇺🇸
85°
Sunny Feels like 83°
Updated just now

Boulder temperature trend - Next 24 hours

85° 11 AM 11 AM - 85°F (29°C), Sunny 12 PM - 86°F (30°C), Sunny 1 PM - 88°F (31°C), Sunny 90° 2 PM 2 PM - 90°F (32°C), Sunny 3 PM - 91°F (33°C), Patchy rain nearby, 17% precip 4 PM - 91°F (33°C), Sunny 90° 5 PM 5 PM - 90°F (32°C), Partly Cloudy 6 PM - 90°F (32°C), Partly Cloudy 7 PM - 88°F (31°C), Partly Cloudy 81° 8 PM 8 PM - 81°F (27°C), Sunny 9 PM - 75°F (24°C), Clear 10 PM - 79°F (26°C), Clear 67° 11 PM 11 PM - 67°F (19°C), Clear 12 AM - 65°F (18°C), Clear 1 AM - 64°F (18°C), Clear 62° 2 AM 2 AM - 62°F (17°C), Clear 3 AM - 61°F (16°C), Clear 4 AM - 61°F (16°C), Clear 60° 5 AM 5 AM - 60°F (16°C), Clear 6 AM - 60°F (15°C), Sunny 7 AM - 70°F (21°C), Sunny 77° 8 AM 8 AM - 77°F (25°C), Sunny 9 AM - 80°F (27°C), Sunny 10 AM - 83°F (29°C), Sunny

The next 24 hours at a glance

  • Warmest hour: 4 PM - around 91°
  • Coolest hour: 6 AM - around 60°
  • Rain risk: low all day (peaks at 17%)
  • UV peak: 1 PM at index 11 - sun protection recommended
  • Windiest: 7 PM at 14 mph

Boulder hourly weather - Friday, July 17

In Boulder, expect a high near 91°F (33°C) around 4 PM and a low of 67°F (19°C) near 11 PM; precipitation risk peaks at 17% around 3 PM.

TimeConditionsTemp FeelsRainWind HumidityUV
11 AM Sunny 85° 83° 1% 5 mph ESE 31% 8
12 PM Sunny 86° 74° 1% 9 mph SE 25% 10
1 PM Sunny 88° 75° 0% 10 mph ESE 22% 11
2 PM Sunny 90° 76° 1% 11 mph ESE 20% 11
3 PM Patchy rain nearby 91° 78° 17% 9 mph ESE 18% 9
4 PM Sunny 91° 81° 1% 6 mph SE 17% 6
5 PM Partly Cloudy 90° 80° 3% 5 mph SE 18% 4
6 PM Partly Cloudy 90° 77° 2% 12 mph ESE 17% 2
7 PM Partly Cloudy 88° 72° 3% 14 mph SE 19% 0
8 PM Sunny 81° 69° 1% 8 mph SE 24% 0
9 PM Clear 75° 64° 0% 7 mph ESE 28% 0
10 PM Clear 79° 65° 1% 11 mph ESE 31% 0
11 PM Clear 67° 57° 1% 5 mph N 41% 0

Boulder hourly weather - Saturday, July 18

In Boulder, expect a high near 94°F (34°C) around 4 PM and a low of 60°F (15°C) near 6 AM, with no meaningful precipitation risk.

TimeConditionsTemp FeelsRainWind HumidityUV
12 AM Clear 65° 53° 1% 8 mph WNW 43% 0
1 AM Clear 64° 52° 1% 7 mph W 45% 0
2 AM Clear 62° 51° 2% 6 mph W 47% 0
3 AM Clear 61° 50° 2% 6 mph W 48% 0
4 AM Clear 61° 50° 2% 6 mph W 48% 0
5 AM Clear 60° 50° 2% 6 mph W 48% 0
6 AM Sunny 60° 49° 2% 6 mph WSW 48% 0
7 AM Sunny 70° 60° 1% 4 mph W 39% 0
8 AM Sunny 77° 69° 1% 2 mph ENE 32% 2
9 AM Sunny 80° 70° 1% 5 mph ENE 29% 4
10 AM Sunny 83° 72° 0% 6 mph ENE 27% 6
11 AM Sunny 86° 75° 0% 8 mph E 24% 9
12 PM Sunny 88° 77° 0% 8 mph E 22% 11
1 PM Sunny 91° 78° 0% 10 mph ESE 20% 12
2 PM Sunny 93° 79° 0% 11 mph ESE 17% 11
3 PM Sunny 94° 80° 0% 11 mph SE 16% 9
4 PM Sunny 94° 81° 1% 9 mph SE 16% 6
5 PM Partly Cloudy 93° 82° 2% 8 mph SE 16% 4
6 PM Partly Cloudy 92° 81° 2% 8 mph SE 16% 2
7 PM Partly Cloudy 91° 80° 2% 8 mph ESE 17% 0
8 PM Partly Cloudy 79° 68° 2% 7 mph ESE 22% 0
9 PM Clear 70° 61° 1% 4 mph E 32% 0
10 PM Clear 72° 63° 1% 4 mph NNE 32% 0
11 PM Clear 71° 60° 1% 6 mph NNW 34% 0

Boulder hourly weather - Sunday, July 19

In Boulder, expect a high near 98°F (36°C) around 4 PM and a low of 61°F (16°C) near 6 AM, with no meaningful precipitation risk.

TimeConditionsTemp FeelsRainWind HumidityUV
12 AM Clear 70° 59° 1% 8 mph WNW 36% 0
1 AM Clear 66° 55° 1% 6 mph WNW 42% 0
2 AM Clear 64° 53° 1% 6 mph W 45% 0
3 AM Clear 64° 53° 1% 7 mph W 45% 0
4 AM Clear 63° 52° 1% 6 mph W 46% 0
5 AM Clear 62° 51° 2% 6 mph W 47% 0
6 AM Sunny 61° 50° 2% 5 mph W 48% 0
7 AM Sunny 69° 59° 1% 4 mph W 39% 0
8 AM Sunny 79° 72° 0% 1 mph ESE 30% 2
9 AM Sunny 83° 73° 0% 5 mph ESE 26% 4
10 AM Sunny 86° 75° 0% 6 mph E 24% 6
11 AM Sunny 89° 78° 0% 7 mph ESE 22% 9
12 PM Sunny 92° 80° 0% 9 mph ESE 19% 11
1 PM Sunny 94° 81° 0% 10 mph ESE 16% 12
2 PM Sunny 96° 82° 0% 12 mph ESE 15% 11
3 PM Sunny 97° 84° 0% 11 mph ESE 14% 9
4 PM Sunny 98° 84° 1% 11 mph ESE 13% 6
5 PM Sunny 97° 85° 1% 8 mph E 13% 4
6 PM Sunny 96° 86° 1% 5 mph E 13% 2
7 PM Partly Cloudy 95° 84° 2% 6 mph ESE 14% 0
8 PM Partly Cloudy 83° 70° 2% 10 mph ESE 19% 0
9 PM Clear 77° 66° 1% 7 mph SSE 24% 0
10 PM Clear 73° 62° 1% 7 mph SW 27% 0
11 PM Clear 70° 58° 1% 7 mph WSW 30% 0

Quick answers for the hours ahead

What is the warmest hour in Boulder today?
4 PM is forecast to be the warmest, at about 91°F (33°C) with sunny.
Will it rain in Boulder tonight?
Unlikely - the evening precipitation chance stays at or below 3%.
When is the UV index highest in Boulder today?
Around 1 PM, when it reaches 11. From UV 3 upward, sun protection is recommended.

Boulder hour-by-hour: what to expect

Over the next 24 hours in Boulder, temperatures range from 60°F (15°C) around 6 AM up to 91°F (33°C) near 4 PM - about 6°F (3°C) above the typical July high of 85°F (30°C).

A stray shower can't be ruled out - Rain chances top out at 17% around 3 PM. UV reaches 11 (1 PM) - sun protection recommended through midday.

The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Boulder 14-day forecast or the monthly climate averages.

Hourly forecasts nearby
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