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Jonestown, PA

86°F
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Jonestown

Pennsylvania

86°
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Jonestown, PA 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
2
Heat Advisory

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
Decreasing clouds
83°
67°
27
Turning out cloudy
84°
63°
28
A shower and thunderstorm
84°
63°
29
Mostly sunny and less humid
81°
61°
30
Cloudy with a little rain
80°
67°
31
Mostly cloudy
81°
65°
1
Mostly cloudy
84°
65°
2
A shower and thunderstorm
86°
67°
3
Showers around in the morning
86°
68°
4
Humid; a shower in the p.m.
85°
66°
5
Sunshine and less humid
84°
62°
6
Abundant sunshine
81°
61°
7
Mostly cloudy and humid
87°
67°
8
Cloudy and humid
87°
66°
9
Humid; a stray a.m. t-shower
84°
67°
10
Clouds and sun; less humid
87°
65°
11
Sunshine
81°
61°
12
Mostly sunny
85°
66°
13
A thunderstorm in spots
86°
66°
14
A shower and thunderstorm
86°
60°
15
Mostly sunny and less humid
79°
59°
16
Mostly sunny
78°
58°
17
Rain becoming steadier
80°
64°
18
Humid; rain in the morning
78°
66°
19
Humid with showers around
81°
65°
20
Cloudy
81°
64°
21
Humid; a few morning showers
82°
65°
22
Cloudy
80°
65°
23
Clouds yielding to sun
79°
61°
24
A thunderstorm in spots
85°
57°
25
A couple of showers
82°
64°
26
Mostly sunny
87°
64°
27
Decreasing clouds
85°
63°
28
Partly sunny
86°
64°
29
Humid with thunderstorms
79°
58°
30
Cloudy, a t-storm in spots
78°
57°
31
Partly sunny and less humid
79°
62°
1
Mostly sunny
81°
63°
2
Periods of rain
76°
64°
3
A thunderstorm in spots
85°
64°
4
Partly sunny
85°
62°
5
A shower and thunderstorm
82°
57°

Temperature Graph

°F
90° 82° 74° 66° 58° 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 Jonestown

Jonestown's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 57° and 68°. The average high for August is 83° with an average low of 63°. 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 Jonestown. See also: September | October | November.

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World North America United States Pennsylvania Jonestown

Weather Near Jonestown:

  • Bethel Park, PA
  • Morgantown, WV
  • Pittsburgh, PA
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