St. George, UT Hourly Forecast
St. George temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 5 PM - around 99°
- Coolest hour: 7 AM - around 73°
- Rain risk: low all day (peaks at 1%)
- UV peak: 2 PM at index 10 - sun protection recommended
- Windiest: 5 PM at 6 mph
St. George hourly weather - Sunday, August 16
In St. George, expect a high near 91°F (33°C) around 7 PM and a low of 79°F (26°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 6 PM | Sunny | 91° | 91° | 1% | 2 mph NE | 27% | 2 | |
| 7 PM | Sunny | 91° | 91° | 1% | 1 mph ENE | 27% | 0 | |
| 8 PM | Sunny | 90° | 90° | 1% | 2 mph E | 29% | 0 | |
| 9 PM | Clear | 85° | 84° | 1% | 2 mph ENE | 32% | 0 | |
| 10 PM | Clear | 82° | 80° | 1% | 4 mph E | 33% | 0 | |
| 11 PM | Clear | 79° | 77° | 1% | 3 mph ENE | 34% | 0 |
St. George hourly weather - Monday, August 17
In St. George, expect a high near 99°F (37°C) around 6 PM and a low of 73°F (23°C) near 7 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 78° | 76° | 1% | 3 mph ENE | 35% | 0 | |
| 1 AM | Clear | 77° | 74° | 1% | 3 mph ENE | 35% | 0 | |
| 2 AM | Clear | 76° | 74° | 1% | 4 mph ENE | 36% | 0 | |
| 3 AM | Clear | 75° | 73° | 1% | 3 mph ENE | 37% | 0 | |
| 4 AM | Clear | 75° | 72° | 1% | 3 mph E | 37% | 0 | |
| 5 AM | Clear | 74° | 72° | 1% | 3 mph E | 38% | 0 | |
| 6 AM | Clear | 74° | 71° | 1% | 3 mph E | 39% | 0 | |
| 7 AM | Sunny | 73° | 70° | 1% | 4 mph E | 39% | 0 | |
| 8 AM | Sunny | 80° | 79° | 1% | 3 mph E | 37% | 0 | |
| 9 AM | Sunny | 86° | 84° | 1% | 3 mph E | 31% | 2 | |
| 10 AM | Sunny | 88° | 87° | 1% | 3 mph ESE | 29% | 4 | |
| 11 AM | Sunny | 90° | 89° | 1% | 3 mph ESE | 26% | 6 | |
| 12 PM | Sunny | 93° | 91° | 1% | 3 mph SE | 24% | 9 | |
| 1 PM | Sunny | 95° | 94° | 1% | 2 mph SE | 22% | 10 | |
| 2 PM | Sunny | 96° | 96° | 1% | 1 mph E | 21% | 10 | |
| 3 PM | Sunny | 98° | 96° | 0% | 2 mph NW | 20% | 9 | |
| 4 PM | Sunny | 98° | 96° | 0% | 4 mph WNW | 19% | 5 | |
| 5 PM | Sunny | 99° | 95° | 0% | 6 mph W | 18% | 2 | |
| 6 PM | Sunny | 99° | 93° | 0% | 9 mph W | 18% | 1 | |
| 7 PM | Sunny | 98° | 92° | 0% | 10 mph W | 18% | 0 | |
| 8 PM | Sunny | 96° | 92° | 0% | 7 mph WNW | 20% | 0 | |
| 9 PM | Clear | 90° | 86° | 0% | 6 mph NNW | 22% | 0 | |
| 10 PM | Clear | 90° | 86° | 0% | 5 mph N | 23% | 0 | |
| 11 PM | Clear | 88° | 86° | 0% | 3 mph NE | 24% | 0 |
St. George hourly weather - Tuesday, August 18
In St. George, expect a high near 102°F (39°C) around 5 PM and a low of 77°F (25°C) near 7 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 86° | 85° | 0% | 0 mph E | 25% | 0 | |
| 1 AM | Clear | 82° | 81° | 0% | 1 mph SSW | 26% | 0 | |
| 2 AM | Clear | 81° | 79° | 0% | 2 mph SSW | 27% | 0 | |
| 3 AM | Clear | 80° | 78° | 0% | 2 mph SW | 28% | 0 | |
| 4 AM | Clear | 79° | 77° | 1% | 1 mph SSW | 29% | 0 | |
| 5 AM | Clear | 78° | 76° | 1% | 2 mph SE | 29% | 0 | |
| 6 AM | Clear | 78° | 75° | 1% | 2 mph ESE | 29% | 0 | |
| 7 AM | Sunny | 77° | 74° | 1% | 2 mph ESE | 30% | 0 | |
| 8 AM | Sunny | 82° | 81° | 1% | 2 mph ESE | 29% | 0 | |
| 9 AM | Sunny | 90° | 89° | 1% | 1 mph SE | 23% | 2 | |
| 10 AM | Sunny | 92° | 91° | 0% | 2 mph S | 21% | 4 | |
| 11 AM | Sunny | 95° | 93° | 0% | 3 mph SW | 20% | 6 | |
| 12 PM | Sunny | 97° | 93° | 0% | 5 mph WSW | 19% | 9 | |
| 1 PM | Sunny | 99° | 93° | 0% | 9 mph WSW | 18% | 10 | |
| 2 PM | Sunny | 100° | 93° | 0% | 12 mph WSW | 17% | 10 | |
| 3 PM | Sunny | 101° | 93° | 0% | 14 mph WSW | 16% | 9 | |
| 4 PM | Sunny | 102° | 94° | 0% | 13 mph WSW | 16% | 7 | |
| 5 PM | Sunny | 102° | 94° | 0% | 13 mph WSW | 16% | 4 | |
| 6 PM | Sunny | 101° | 92° | 0% | 15 mph WSW | 15% | 1 | |
| 7 PM | Sunny | 100° | 94° | 0% | 9 mph W | 18% | 0 | |
| 8 PM | Sunny | 97° | 93° | 0% | 8 mph SSW | 22% | 0 | |
| 9 PM | Clear | 91° | 86° | 0% | 7 mph WSW | 19% | 0 | |
| 10 PM | Clear | 88° | 86° | 0% | 3 mph SSW | 25% | 0 | |
| 11 PM | Clear | 86° | 83° | 0% | 3 mph WSW | 25% | 0 |
Quick answers for the hours ahead
What is the warmest hour in St. George today?
Will it rain in St. George tonight?
When is the UV index highest in St. George today?
St. George hour-by-hour: what to expect
Over the next 24 hours in St. George, temperatures range from 73°F (23°C) around 7 AM up to 99°F (37°C) near 5 PM - right in line with the typical August high of 100°F (38°C).
Precipitation chances stay minimal throughout, so plans can skip the umbrella. UV reaches 10 (2 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 St. George 14-day forecast or the monthly climate averages.