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Mauna Kea, HI

70°F
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Mauna Kea

Hawaii

70°
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Mauna Kea, HI Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar Monthly Air Quality Health & Activities

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Winter Center
Today Hourly 10-Day Radar

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
Cloudy, showers around; humid
84°
70°
27
Humid with some sun
84°
69°
28
Humid; a few morning showers
83°
70°
29
Plenty of sunshine
83°
70°
30
Plenty of sunshine
84°
69°
31
Sunny
84°
70°
1
Plenty of sunshine
82°
70°
2
A couple of showers
83°
69°
3
Mostly cloudy, showers; windy
84°
70°
4
A couple of morning showers
83°
69°
5
Decreasing clouds
84°
70°
6
A.M. showers; mostly cloudy
84°
70°
7
Mostly sunny
83°
69°
8
Mostly cloudy with showers
84°
70°
9
Mostly cloudy, showers; humid
84°
70°
10
Humid with a few showers
83°
69°
11
A.M. showers; overcast, humid
84°
70°
12
Mostly sunny
84°
66°
13
Sunshine
83°
70°
14
Mostly sunny
84°
70°
15
Sunshine and some clouds
84°
69°
16
Mostly sunny
83°
70°
17
Mostly sunny
84°
70°
18
Sunny to partly cloudy
84°
69°
19
Partly sunny
82°
70°
20
Partly sunny
83°
69°
21
Humid with showers around
84°
69°
22
Decreasing clouds
83°
68°
23
Mostly sunny
84°
68°
24
Partly sunny
83°
69°
25
Sunny much of the time
85°
69°
26
Sunny to partly cloudy
85°
70°
27
Hist. Avg.
86°
73°
28
Hist. Avg.
86°
73°
29
Hist. Avg.
86°
73°
30
Hist. Avg.
86°
73°
31
Hist. Avg.
86°
73°
1
Hist. Avg.
86°
73°
2
Hist. Avg.
86°
73°
3
Hist. Avg.
86°
73°
4
Hist. Avg.
86°
73°
5
Hist. Avg.
86°
73°

Temperature Graph

°F
90° 84° 78° 72° 66° 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 Mauna Kea

Mauna Kea's August 2026 forecast shows daily high temperatures ranging from 82° to 85°, with overnight lows between 66° and 70°. The average high for August is 84° with an average low of 69°. 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 Mauna Kea. See also: September | October | November.

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