KSL Outdoor Weather Planner

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Historical Weather Data for August 17
Average high temperature during the last 30 years
89° F
Average low temperature during the last 30 years
63° F
Chance measureable precipitation will occur (for the
24 hour period. For any 6 hr. period, chances are about 1/2 that shown)
20%
Time sun is first seen in east if there were no mountains.
(the sky gets light about 25 minutes before this.)
6:39 AM
Time sun is last seen in west if there were no mountains.
(the sky stays light about 25 minutes after this.)
8:23 PM
Average Temperatures
1:00 am
71° F
2:00 am
70° F
3:00 am
70° F
4:00 am
69° F
5:00 am
68° F
6:00 am
67° F
7:00 am
66° F
8:00 am
63° F
9:00 am
69° F
10:00 am
74° F
11:00 am
77° F
12:00 pm
80° F
1:00 pm
83° F
2:00 pm
85° F
3:00 pm
87° F
4:00 pm
88° F
5:00 pm
88° F
6:00 pm
89° F
7:00 pm
87° F
8:00 pm
85° F
9:00 pm
81° F
10:00 pm
76° F
11:00 pm
74° F
12:00 pm
73° F
This Day in Weather History: August 17
In 1883, a flood in Spanish Fork Canyon swept away a lumber mill and some cabins. In 1959, gale force winds and a cloudburst hit Provo. A baby had to be evacuated out a window when 3 feet of water blocked the doors of the home. In 1969, severe flooding hit the Salt Lake Valley causing an earthen dam to give way.