St. George, UT 14-Day Forecast
Utah, United States 🇺🇸
85°
Partly Cloudy right now
Today: high 88°, low 73°
Updated 18 min ago
St. George weather for the next 14 days
Wednesday, September 16
Patchy rain nearby High 86° Low 66°Precipitation
59%
· 0.23 in
Max wind
18 mph
Humidity
45%
UV index
8 - Very High
Sunrise / sunset
07:17 AM / 07:41 PM
Thursday, September 17
Sunny High 81° Low 65°Precipitation
36%
· 0.03 in
Max wind
15 mph
Humidity
42%
UV index
8 - High
Sunrise / sunset
07:18 AM / 07:39 PM
Friday, September 18
Sunny High 87° Low 70°Precipitation
17%
· 0.0 in
Max wind
11 mph
Humidity
33%
UV index
8 - High
Sunrise / sunset
07:19 AM / 07:37 PM
Saturday, September 19
Sunny High 88° Low 70°Precipitation
1%
· 0.0 in
Max wind
12 mph
Humidity
19%
UV index
8 - High
Sunrise / sunset
07:19 AM / 07:36 PM
Sunday, September 20
Sunny High 85° Low 66°Precipitation
2%
· 0.0 in
Max wind
5 mph
Humidity
17%
UV index
7 - High
Sunrise / sunset
07:20 AM / 07:34 PM
Monday, September 21
Patchy rain nearby High 84° Low 70°Precipitation
57%
· 0.11 in
Max wind
5 mph
Humidity
19%
UV index
7 - High
Sunrise / sunset
07:21 AM / 07:33 PM
Tuesday, September 22
Sunny High 88° Low 66°Precipitation
0%
· 0.0 in
Max wind
4 mph
Humidity
25%
UV index
7 - High
Sunrise / sunset
07:22 AM / 07:31 PM
Wednesday, September 23
Sunny High 86° Low 68°Precipitation
2%
· 0.0 in
Max wind
6 mph
Humidity
19%
UV index
7 - High
Sunrise / sunset
07:23 AM / 07:30 PM
Thursday, September 24
Overcast High 88° Low 67°Precipitation
4%
· 0.0 in
Max wind
6 mph
Humidity
14%
UV index
7 - High
Sunrise / sunset
07:23 AM / 07:28 PM
Friday, September 25
Sunny High 91° Low 72°Precipitation
3%
· 0.0 in
Max wind
6 mph
Humidity
17%
UV index
7 - High
Sunrise / sunset
07:24 AM / 07:27 PM
Saturday, September 26
Sunny High 94° Low 74°Precipitation
2%
· 0.0 in
Max wind
13 mph
Humidity
24%
UV index
8 - Very High
Sunrise / sunset
07:25 AM / 07:25 PM
Sunday, September 27
Overcast High 91° Low 76°Precipitation
5%
· 0.0 in
Max wind
6 mph
Humidity
21%
UV index
8 - Very High
Sunrise / sunset
07:26 AM / 07:24 PM
Monday, September 28
Sunny High 90° Low 74°Precipitation
1%
· 0.0 in
Max wind
11 mph
Humidity
18%
UV index
8 - Very High
Sunrise / sunset
07:27 AM / 07:22 PM
St. George 14-day outlook: the story
The warmest day of St. George's 14-day outlook is Saturday, September 26 with a high near 94°F (34°C); the coolest night comes Thursday, September 17, dipping to 65°F (19°C). The trend points warmer: week two runs about 4°F above week one. Highs over the next two weeks average 86°F (30°C), about 7°F (4°C) below the typical September high of 93°F (34°C).
Precipitation is most likely on Wednesday 16, Monday 21; the wettest day looks like Wednesday, September 16 with about 0.23 in (5.9 mm) expected. For the weekend, expect Saturday 88°F (31°C) and sunny / Sunday 85°F (30°C) and sunny.
For typical conditions month by month, see the St. George climate & average temperatures guide.
St. George forecast questions
Will it rain in St. George this week?
The forecast currently shows meaningful precipitation chances on 2 of the next 14 days, peaking around Wednesday, September 16.
What will be the warmest day in St. George over the next 14 days?
Saturday, September 26, with a forecast high near 94°F (34°C).
How accurate is a 14-day forecast for St. George?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in St. George by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 53° | 35° | 6 | 1.4 in | 8.1 h/day | 56% |
| February | 58° | 37° | 5 | 1.2 in | 9.3 h/day | 48% |
| March | 66° | 44° | 6 | 1.3 in | 10.3 h/day | 43% |
| April | 77° | 52° | 2 | 0.5 in | 12.2 h/day | 27% |
| May | 85° | 61° | 2 | 0.3 in | 12.8 h/day | 22% |
| June | 99° | 74° | 0 | 0.1 in | 13.9 h/day | 14% |
| July | 103° | 80° | 2 | 0.3 in | 13.1 h/day | 21% |
| August | 100° | 76° | 2 | 0.4 in | 12.6 h/day | 26% |
| September | 93° | 69° | 2 | 0.4 in | 11.7 h/day | 25% |
| October | 79° | 55° | 2 | 0.6 in | 10.4 h/day | 32% |
| November | 63° | 43° | 3 | 0.8 in | 9.1 h/day | 39% |
| December | 53° | 35° | 5 | 1.1 in | 8.0 h/day | 49% |
14-day forecasts nearby