St. George, UT 14-Day Forecast
Utah, United States 🇺🇸
102°
Sunny right now
Today: high 112°, low 79°
Updated 1 hour ago
St. George weather for the next 14 days
Thursday, August 27
Overcast High 98° Low 82°Precipitation
6%
· 0.0 in
Max wind
17 mph
Humidity
19%
UV index
9 - Very High
Sunrise / sunset
07:01 AM / 08:10 PM
Friday, August 28
Overcast High 98° Low 74°Precipitation
36%
· 0.01 in
Max wind
19 mph
Humidity
27%
UV index
7 - High
Sunrise / sunset
07:01 AM / 08:09 PM
Saturday, August 29
Sunny High 91° Low 72°Precipitation
57%
· 0.05 in
Max wind
24 mph
Humidity
34%
UV index
8 - Very High
Sunrise / sunset
07:02 AM / 08:07 PM
Sunday, August 30
Sunny High 91° Low 67°Precipitation
17%
· 0.0 in
Max wind
23 mph
Humidity
35%
UV index
8 - Very High
Sunrise / sunset
07:03 AM / 08:06 PM
Monday, August 31
Sunny High 90° Low 70°Precipitation
0%
· 0.0 in
Max wind
21 mph
Humidity
27%
UV index
8 - Very High
Sunrise / sunset
07:04 AM / 08:04 PM
Tuesday, September 1
Sunny High 88° Low 72°Precipitation
0%
· 0.0 in
Max wind
19 mph
Humidity
24%
UV index
8 - Very High
Sunrise / sunset
07:05 AM / 08:03 PM
Wednesday, September 2
Overcast High 88° Low 69°Precipitation
36%
· 0.02 in
Max wind
10 mph
Humidity
43%
UV index
5 - Moderate
Sunrise / sunset
07:05 AM / 08:02 PM
Thursday, September 3
Overcast High 79° Low 69°Precipitation
11%
· 0.0 in
Max wind
15 mph
Humidity
42%
UV index
6 - High
Sunrise / sunset
07:06 AM / 08:00 PM
Friday, September 4
Overcast High 84° Low 72°Precipitation
9%
· 0.0 in
Max wind
10 mph
Humidity
34%
UV index
6 - High
Sunrise / sunset
07:07 AM / 07:59 PM
Saturday, September 5
Sunny High 88° Low 72°Precipitation
3%
· 0.0 in
Max wind
23 mph
Humidity
33%
UV index
7 - High
Sunrise / sunset
07:08 AM / 07:57 PM
Sunday, September 6
Sunny High 90° Low 74°Precipitation
2%
· 0.0 in
Max wind
23 mph
Humidity
28%
UV index
8 - Very High
Sunrise / sunset
07:09 AM / 07:56 PM
Monday, September 7
Overcast High 87° Low 72°Precipitation
57%
· 0.05 in
Max wind
12 mph
Humidity
36%
UV index
6 - High
Sunrise / sunset
07:10 AM / 07:54 PM
Tuesday, September 8
Sunny High 95° Low 72°Precipitation
57%
· 0.08 in
Max wind
5 mph
Humidity
19%
UV index
8 - Very High
Sunrise / sunset
07:10 AM / 07:53 PM
St. George 14-day outlook: the story
The warmest day of St. George's 14-day outlook is Wednesday, August 26 with a high near 112°F (44°C); the coolest night comes Sunday, August 30, dipping to 67°F (19°C). The trend points cooler: week two runs about 8°F below week one. Highs over the next two weeks average 95°F (35°C), about 5°F (3°C) below the typical August high of 100°F (38°C).
Precipitation is most likely on Saturday 29, Monday 7, Tuesday 8; the wettest day looks like Tuesday, September 8 with about 0.08 in (2.0 mm) expected. For the weekend, expect Saturday 91°F (33°C) and sunny / Sunday 91°F (33°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 3 of the next 14 days, peaking around Tuesday, September 8.
What will be the warmest day in St. George over the next 14 days?
Wednesday, August 26, with a forecast high near 112°F (44°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