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Fontenelle, WY

74°F
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Fontenelle

Wyoming

74°
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Fontenelle, WY Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

August

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
Partly sunny
82°
49°
27
Plenty of sunshine
84°
50°
28
Cloudy
83°
50°
29
Mostly sunny
85°
51°
30
Plenty of sunshine
86°
50°
31
Plenty of sunshine
86°
50°
1
Plenty of sunshine
85°
51°
2
Plenty of sunshine
87°
51°
3
Mostly sunny
86°
50°
4
Mostly sunny
86°
51°
5
Sunshine
85°
51°
6
Turning cloudy
86°
50°
7
Times of clouds and sun
86°
50°
8
Plenty of sunshine
85°
49°
9
Mostly sunny
86°
50°
10
Mostly sunny
86°
50°
11
Times of sun and clouds
85°
49°
12
Increasing amounts of sun
85°
50°
13
Mostly cloudy
83°
49°
14
Mostly sunny
85°
41°
15
Shifting clouds and sun
84°
44°
16
Mostly sunny
83°
41°
17
Times of clouds and sun
79°
45°
18
Times of clouds and sun
85°
46°
19
An afternoon shower
82°
45°
20
Mostly cloudy, showers around
80°
45°
21
Times of sun and clouds
80°
44°
22
Partial sunshine
83°
47°
23
Mostly sunny
85°
46°
24
Intervals of bright sunshine
83°
46°
25
Shifting clouds and sun
83°
45°
26
Partial sunshine
82°
45°
27
A p.m. shower in places
83°
43°
28
Mostly cloudy, showers around
79°
43°
29
A couple of showers
76°
42°
30
Mostly cloudy, a few showers
73°
43°
31
A couple of showers
77°
39°
1
Mostly cloudy
79°
41°
2
Plenty of sunshine
81°
42°
3
Mostly sunny
81°
41°
4
Mostly cloudy
80°
33°
5
Mostly sunny
72°
34°

Temperature Graph

°F
90° 78° 66° 54° 42° Aug
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

August Weather in Fontenelle

Fontenelle's August 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 33° and 51°. The average high for August is 83° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Fontenelle. See also: September | October | November.

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