St. George, UT 14-Day Forecast
Utah, United States 🇺🇸
105°
Sunny right now
Today: high 107°, low 73°
Updated 5 hours ago
St. George weather for the next 14 days
Tuesday, August 18
Sunny High 99° Low 79°Precipitation
3%
· 0.0 in
Max wind
17 mph
Humidity
19%
UV index
10 - Very High
Sunrise / sunset
06:53 AM / 08:22 PM
Wednesday, August 19
Overcast High 100° Low 83°Precipitation
5%
· 0.0 in
Max wind
9 mph
Humidity
19%
UV index
11 - Very High
Sunrise / sunset
06:54 AM / 08:21 PM
Thursday, August 20
Partly Cloudy High 99° Low 83°Precipitation
36%
· 0.02 in
Max wind
10 mph
Humidity
22%
UV index
10 - Very High
Sunrise / sunset
06:55 AM / 08:20 PM
Friday, August 21
Overcast High 95° Low 76°Precipitation
37%
· 0.04 in
Max wind
26 mph
Humidity
30%
UV index
10 - Very High
Sunrise / sunset
06:56 AM / 08:18 PM
Saturday, August 22
Sunny High 95° Low 75°Precipitation
36%
· 0.02 in
Max wind
10 mph
Humidity
32%
UV index
8 - Very High
Sunrise / sunset
06:56 AM / 08:17 PM
Sunday, August 23
Sunny High 97° Low 83°Precipitation
2%
· 0.0 in
Max wind
15 mph
Humidity
21%
UV index
9 - Very High
Sunrise / sunset
06:57 AM / 08:16 PM
Monday, August 24
Sunny High 100° Low 83°Precipitation
0%
· 0.0 in
Max wind
11 mph
Humidity
21%
UV index
9 - Very High
Sunrise / sunset
06:58 AM / 08:14 PM
Tuesday, August 25
Partly Cloudy High 98° Low 84°Precipitation
5%
· 0.0 in
Max wind
16 mph
Humidity
20%
UV index
8 - Very High
Sunrise / sunset
06:59 AM / 08:13 PM
Wednesday, August 26
Sunny High 102° Low 79°Precipitation
1%
· 0.0 in
Max wind
10 mph
Humidity
23%
UV index
9 - Very High
Sunrise / sunset
07:00 AM / 08:12 PM
Thursday, August 27
Sunny High 98° Low 84°Precipitation
3%
· 0.0 in
Max wind
14 mph
Humidity
17%
UV index
9 - Very High
Sunrise / sunset
07:01 AM / 08:10 PM
Friday, August 28
Overcast High 97° Low 76°Precipitation
17%
· 0.0 in
Max wind
7 mph
Humidity
38%
UV index
6 - High
Sunrise / sunset
07:01 AM / 08:09 PM
Saturday, August 29
Light rain shower High 80° Low 62°Precipitation
74%
· 0.27 in
Max wind
4 mph
Humidity
58%
UV index
5 - Moderate
Sunrise / sunset
07:02 AM / 08:07 PM
Sunday, August 30
Sunny High 97° Low 72°Precipitation
2%
· 0.0 in
Max wind
3 mph
Humidity
39%
UV index
8 - Very High
Sunrise / sunset
07:03 AM / 08:06 PM
St. George 14-day outlook: the story
The warmest day of St. George's 14-day outlook is Monday, August 17 with a high near 107°F (42°C); the coolest night comes Saturday, August 29, dipping to 62°F (17°C). The trend points cooler: week two runs about 3°F below week one. Highs over the next two weeks average 99°F (37°C), right in line with the typical August high of 100°F (38°C).
Precipitation is most likely on Saturday 29; the wettest day looks like Saturday, August 29 with about 0.27 in (6.8 mm) expected. For the weekend, expect Saturday 95°F (35°C) and sunny / Sunday 97°F (36°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 1 of the next 14 days, peaking around Saturday, August 29.
What will be the warmest day in St. George over the next 14 days?
Monday, August 17, with a forecast high near 107°F (42°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