St. George, UT Hourly Forecast
St. George temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 5 PM - around 85°
- Coolest hour: 8 AM - around 66°
- Highest rain chance: 3 AM (43%) - pack accordingly
- UV peak: 1 PM at index 8 - sun protection recommended
- Windiest: 7 PM at 21 mph
St. George hourly weather - Tuesday, September 15
In St. George, expect a high near 85°F (29°C) around 5 PM and a low of 78°F (26°C) near 8 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 5 PM | Sunny | 85° | 73° | 1% | 18 mph SW | 23% | 2 | |
| 6 PM | Patchy rain nearby | 84° | 72° | 7% | 19 mph WSW | 27% | 1 | |
| 7 PM | Sunny | 81° | 69° | 1% | 21 mph SW | 33% | 0 | |
| 8 PM | Patchy rain nearby | 78° | 69° | 7% | 16 mph SSW | 37% | 0 | |
| 9 PM | Patchy rain nearby | 78° | 72° | 7% | 11 mph SSW | 38% | 0 | |
| 10 PM | Patchy rain nearby | 79° | 75° | 8% | 10 mph S | 39% | 0 | |
| 11 PM | Patchy rain nearby | 81° | 81° | 6% | 7 mph S | 44% | 0 |
St. George hourly weather - Wednesday, September 16
In St. George, expect a high near 86°F (30°C) around 8 PM and a low of 66°F (19°C) near 8 AM; precipitation risk peaks at 57% around 10 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Patchy rain nearby | 76° | 74° | 10% | 6 mph S | 47% | 0 | |
| 1 AM | Patchy rain nearby | 77° | 78° | 21% | 4 mph SSE | 52% | 0 | |
| 2 AM | Patchy rain nearby | 76° | 78° | 23% | 4 mph SE | 56% | 0 | |
| 3 AM | Moderate rain at times | 76° | 78° | 43% | 4 mph SE | 62% | 0 | |
| 4 AM | Patchy rain nearby | 75° | 77° | 39% | 3 mph SE | 66% | 0 | |
| 5 AM | Moderate rain at times | 71° | 72° | 42% | 3 mph ESE | 68% | 0 | |
| 6 AM | Patchy rain nearby | 71° | 72° | 15% | 3 mph E | 68% | 0 | |
| 7 AM | Patchy rain nearby | 70° | 71° | 19% | 4 mph ENE | 68% | 0 | |
| 8 AM | Patchy rain nearby | 66° | 65° | 14% | 4 mph E | 66% | 0 | |
| 9 AM | Patchy rain nearby | 68° | 67° | 17% | 4 mph E | 61% | 1 | |
| 10 AM | Sunny | 71° | 69° | 2% | 5 mph ESE | 54% | 2 | |
| 11 AM | Patchy rain nearby | 75° | 73° | 17% | 5 mph SE | 42% | 4 | |
| 12 PM | Patchy rain nearby | 79° | 75° | 9% | 5 mph SSE | 32% | 7 | |
| 1 PM | Sunny | 82° | 75° | 1% | 9 mph SSW | 26% | 8 | |
| 2 PM | Sunny | 83° | 75° | 1% | 11 mph SW | 24% | 8 | |
| 3 PM | Partly Cloudy | 84° | 76° | 2% | 10 mph SW | 22% | 6 | |
| 4 PM | Sunny | 85° | 75° | 1% | 13 mph SSW | 20% | 4 | |
| 5 PM | Sunny | 84° | 71° | 1% | 18 mph SW | 21% | 2 | |
| 6 PM | Sunny | 83° | 74° | 0% | 13 mph SW | 22% | 1 | |
| 7 PM | Sunny | 82° | 74° | 1% | 11 mph SW | 24% | 0 | |
| 8 PM | Light rain shower | 86° | 84° | 36% | 8 mph SW | 39% | 0 | |
| 9 PM | Light rain shower | 74° | 73° | 36% | 2 mph WSW | 41% | 0 | |
| 10 PM | Light rain shower | 77° | 77° | 57% | 2 mph ESE | 48% | 0 | |
| 11 PM | Patchy rain nearby | 71° | 72° | 57% | 2 mph E | 54% | 0 |
St. George hourly weather - Thursday, September 17
In St. George, expect a high near 81°F (27°C) around 5 PM and a low of 65°F (19°C) near 8 AM; precipitation risk peaks at 36% around 12 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Light rain shower | 68° | 66° | 36% | 5 mph ENE | 58% | 0 | |
| 1 AM | Light rain shower | 70° | 68° | 24% | 5 mph E | 54% | 0 | |
| 2 AM | Patchy rain nearby | 70° | 68° | 17% | 4 mph ESE | 54% | 0 | |
| 3 AM | Clear | 68° | 67° | 3% | 4 mph SE | 56% | 0 | |
| 4 AM | Patchy rain nearby | 68° | 66° | 19% | 4 mph SE | 57% | 0 | |
| 5 AM | Clear | 68° | 65° | 3% | 5 mph SE | 57% | 0 | |
| 6 AM | Clear | 68° | 66° | 3% | 5 mph SE | 57% | 0 | |
| 7 AM | Clear | 68° | 66° | 3% | 4 mph SSE | 58% | 0 | |
| 8 AM | Sunny | 65° | 63° | 3% | 4 mph SSE | 57% | 0 | |
| 9 AM | Sunny | 67° | 65° | 3% | 4 mph SSE | 52% | 1 | |
| 10 AM | Sunny | 69° | 67° | 2% | 4 mph SE | 48% | 2 | |
| 11 AM | Sunny | 72° | 69° | 2% | 4 mph SSE | 45% | 4 | |
| 12 PM | Sunny | 74° | 72° | 1% | 3 mph S | 39% | 6 | |
| 1 PM | Sunny | 77° | 75° | 1% | 2 mph WSW | 32% | 8 | |
| 2 PM | Sunny | 80° | 74° | 0% | 8 mph W | 27% | 8 | |
| 3 PM | Sunny | 81° | 71° | 1% | 14 mph WSW | 26% | 7 | |
| 4 PM | Sunny | 80° | 70° | 0% | 15 mph SW | 26% | 5 | |
| 5 PM | Sunny | 81° | 72° | 0% | 12 mph SW | 25% | 3 | |
| 6 PM | Sunny | 81° | 72° | 0% | 12 mph SW | 24% | 1 | |
| 7 PM | Sunny | 80° | 70° | 0% | 13 mph SW | 26% | 0 | |
| 8 PM | Clear | 78° | 71° | 0% | 10 mph WSW | 30% | 0 | |
| 9 PM | Clear | 78° | 74° | 1% | 7 mph W | 34% | 0 | |
| 10 PM | Clear | 78° | 78° | 1% | 2 mph WSW | 38% | 0 | |
| 11 PM | Clear | 77° | 76° | 1% | 3 mph SW | 38% | 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 66°F (19°C) around 8 AM up to 85°F (29°C) near 5 PM - about 8°F (4°C) below the typical September high of 93°F (34°C).
Precipitation is a real possibility: the chance of rain peaks at 43% around 3 AM. Wind picks up to 21 mph (34 km/h) from the SW near 7 PM. UV reaches 8 (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 St. George 14-day forecast or the monthly climate averages.