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Agar, SD

60°F
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Agar

South Dakota

60°
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Agar, SD Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center

Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
Red Flag Warning

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
Sunny much of the time
89°
63°
27
Abundant sunshine
91°
66°
28
Mostly sunny and very warm
93°
68°
29
Humid with periods of sun
91°
62°
30
Sunny and less humid
94°
60°
31
Partly sunny
84°
60°
1
Humid with a t-storm or two
84°
55°
2
Sunshine and less humid
82°
53°
3
Partly sunny
80°
54°
4
Mostly sunny
81°
55°
5
Plenty of sun
84°
57°
6
Plenty of sun
90°
59°
7
Plenty of sunshine
91°
60°
8
Plenty of sunshine
89°
61°
9
Plenty of sunshine
88°
61°
10
Plenty of sunshine
90°
62°
11
Plenty of sunshine
89°
59°
12
Humid with partial sunshine
86°
62°
13
A shower and thunderstorm
80°
63°
14
T-storms, mainly early; humid
81°
62°
15
Hist. Avg.
87°
60°
16
Hist. Avg.
87°
60°
17
Hist. Avg.
87°
60°
18
Hist. Avg.
86°
59°
19
Hist. Avg.
86°
59°
20
Hist. Avg.
86°
59°
21
Hist. Avg.
86°
58°
22
Hist. Avg.
86°
58°
23
Hist. Avg.
85°
58°
24
Hist. Avg.
85°
58°
25
Hist. Avg.
85°
57°
26
Hist. Avg.
85°
57°
27
Hist. Avg.
84°
57°
28
Hist. Avg.
84°
56°
29
Hist. Avg.
84°
56°
30
Hist. Avg.
84°
56°
31
Hist. Avg.
83°
56°
1
Hist. Avg.
83°
55°
2
Hist. Avg.
83°
55°
3
Hist. Avg.
82°
54°
4
Hist. Avg.
82°
54°
5
Hist. Avg.
82°
54°

Temperature Graph

°F
100° 90° 80° 70° 60° 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
*Temporarily Unavailable

August Weather in Agar

Agar's August 2026 forecast shows daily high temperatures ranging from 80° to 94°, with overnight lows between 53° and 68°. The average high for August is 87° with an average low of 60°. 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 Agar. See also: September | October | November.

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Weather Near Agar:

  • Aberdeen, SD
  • Pierre, SD
  • Sioux Falls, SD
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