Boulder, CO Hourly Forecast
Boulder temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 2 PM - around 86°
- Coolest hour: 7 AM - around 58°
- Highest rain chance: 5 PM (42%) - pack accordingly
- UV peak: 1 PM at index 6 - sun protection recommended
- Windiest: 9 PM at 12 mph
Boulder hourly weather - Monday, October 5
In Boulder, expect a high near 86°F (30°C) around 2 PM and a low of 59°F (15°C) near 11 PM; precipitation risk peaks at 42% around 5 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 1 PM | Sunny | 85° | 77° | 0% | 7 mph ESE | 12% | 6 | |
| 2 PM | Sunny | 86° | 77° | 1% | 8 mph ESE | 11% | 6 | |
| 3 PM | Sunny | 86° | 77° | 1% | 9 mph ESE | 11% | 4 | |
| 4 PM | Patchy rain nearby | 85° | 76° | 17% | 9 mph ESE | 12% | 2 | |
| 5 PM | Light drizzle | 81° | 75° | 42% | 4 mph ESE | 16% | 1 | |
| 6 PM | Light rain shower | 69° | 64° | 18% | 5 mph SW | 30% | 0 | |
| 7 PM | Patchy rain nearby | 64° | 56° | 17% | 8 mph W | 34% | 0 | |
| 8 PM | Clear | 61° | 52° | 2% | 11 mph W | 40% | 0 | |
| 9 PM | Clear | 61° | 51° | 1% | 12 mph WSW | 38% | 0 | |
| 10 PM | Clear | 60° | 50° | 1% | 12 mph WSW | 38% | 0 | |
| 11 PM | Clear | 59° | 50° | 1% | 10 mph WSW | 37% | 0 |
Boulder hourly weather - Tuesday, October 6
In Boulder, expect a high near 85°F (29°C) around 2 PM and a low of 58°F (14°C) near 7 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 59° | 50° | 1% | 10 mph WSW | 35% | 0 | |
| 1 AM | Clear | 58° | 48° | 1% | 11 mph WSW | 35% | 0 | |
| 2 AM | Clear | 59° | 49° | 1% | 11 mph WSW | 34% | 0 | |
| 3 AM | Overcast | 59° | 49° | 9% | 11 mph WSW | 33% | 0 | |
| 4 AM | Overcast | 59° | 49° | 9% | 11 mph W | 34% | 0 | |
| 5 AM | Cloudy | 59° | 48° | 8% | 11 mph W | 34% | 0 | |
| 6 AM | Overcast | 58° | 49° | 9% | 10 mph W | 34% | 0 | |
| 7 AM | Overcast | 58° | 49° | 9% | 10 mph W | 34% | 0 | |
| 8 AM | Overcast | 61° | 52° | 10% | 10 mph WSW | 32% | 0 | |
| 9 AM | Overcast | 71° | 64° | 9% | 6 mph WSW | 26% | 1 | |
| 10 AM | Cloudy | 78° | 73° | 6% | 2 mph W | 18% | 2 | |
| 11 AM | Overcast | 82° | 76° | 7% | 2 mph E | 14% | 4 | |
| 12 PM | Overcast | 83° | 76° | 9% | 5 mph E | 12% | 5 | |
| 1 PM | Overcast | 84° | 75° | 9% | 9 mph E | 12% | 5 | |
| 2 PM | Cloudy | 85° | 73° | 5% | 13 mph ESE | 12% | 5 | |
| 3 PM | Overcast | 84° | 73° | 9% | 13 mph ESE | 12% | 4 | |
| 4 PM | Overcast | 84° | 74° | 9% | 8 mph ESE | 12% | 2 | |
| 5 PM | Overcast | 82° | 75° | 9% | 6 mph NNE | 13% | 1 | |
| 6 PM | Partly Cloudy | 72° | 65° | 4% | 6 mph NNW | 20% | 0 | |
| 7 PM | Partly Cloudy | 65° | 56° | 3% | 8 mph W | 26% | 0 | |
| 8 PM | Overcast | 63° | 54° | 9% | 9 mph WSW | 26% | 0 | |
| 9 PM | Overcast | 64° | 55° | 9% | 8 mph W | 25% | 0 | |
| 10 PM | Overcast | 64° | 56° | 9% | 6 mph W | 24% | 0 | |
| 11 PM | Overcast | 65° | 57° | 9% | 6 mph W | 24% | 0 |
Boulder hourly weather - Wednesday, October 7
In Boulder, expect a high near 81°F (27°C) around 2 PM and a low of 54°F (12°C) near 7 AM; precipitation risk peaks at 21% around 2 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Overcast | 61° | 53° | 9% | 7 mph W | 26% | 0 | |
| 1 AM | Overcast | 60° | 51° | 9% | 8 mph WSW | 28% | 0 | |
| 2 AM | Overcast | 59° | 50° | 9% | 8 mph WSW | 30% | 0 | |
| 3 AM | Overcast | 58° | 50° | 9% | 7 mph WSW | 31% | 0 | |
| 4 AM | Overcast | 57° | 49° | 9% | 7 mph W | 32% | 0 | |
| 5 AM | Clear | 56° | 49° | 1% | 6 mph W | 34% | 0 | |
| 6 AM | Clear | 54° | 49° | 1% | 6 mph W | 35% | 0 | |
| 7 AM | Clear | 54° | 49° | 1% | 6 mph WSW | 35% | 0 | |
| 8 AM | Sunny | 59° | 52° | 1% | 5 mph W | 32% | 0 | |
| 9 AM | Sunny | 70° | 66° | 0% | 0 mph SSE | 24% | 1 | |
| 10 AM | Sunny | 73° | 67° | 0% | 4 mph E | 22% | 2 | |
| 11 AM | Sunny | 76° | 68° | 0% | 6 mph E | 20% | 4 | |
| 12 PM | Sunny | 78° | 70° | 0% | 7 mph E | 18% | 6 | |
| 1 PM | Sunny | 80° | 71° | 0% | 8 mph ESE | 16% | 6 | |
| 2 PM | Patchy rain nearby | 81° | 73° | 21% | 6 mph ESE | 15% | 5 | |
| 3 PM | Patchy rain nearby | 80° | 75° | 11% | 2 mph WNW | 18% | 4 | |
| 4 PM | Overcast | 74° | 67° | 9% | 9 mph WNW | 27% | 2 | |
| 5 PM | Overcast | 67° | 60° | 10% | 8 mph W | 34% | 1 | |
| 6 PM | Overcast | 68° | 60° | 10% | 8 mph W | 33% | 0 | |
| 7 PM | Overcast | 68° | 60° | 9% | 9 mph W | 32% | 0 | |
| 8 PM | Patchy rain nearby | 64° | 54° | 12% | 12 mph W | 39% | 0 | |
| 9 PM | Overcast | 62° | 54° | 10% | 11 mph WSW | 42% | 0 | |
| 10 PM | Patchy rain nearby | 60° | 52° | 12% | 9 mph WSW | 44% | 0 | |
| 11 PM | Overcast | 60° | 52° | 10% | 8 mph W | 43% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Boulder today?
Will it rain in Boulder tonight?
When is the UV index highest in Boulder today?
Boulder hour-by-hour: what to expect
Over the next 24 hours in Boulder, temperatures range from 58°F (14°C) around 7 AM up to 86°F (30°C) near 2 PM - about 23°F (13°C) above the typical October high of 63°F (17°C).
Precipitation is a real possibility: the chance of rain peaks at 42% around 5 PM. UV reaches 6 (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.