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Northeast weather to feel more like Thanksgiving than Memorial Day. See the temp forecast. Chevron right

Kailua Kona, HI

81°F
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Kailua Kona

Hawaii

81°
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Kailua Kona, HI Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar Monthly Air Quality Health & Activities

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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
Mostly sunny
83°
69°
27
Mostly sunny
84°
70°
28
Partly sunny
82°
69°
29
Mostly sunny
84°
70°
30
Cloudy with a few showers
84°
70°
31
Cloudy and humid with showers
83°
69°
1
Partly sunny
84°
70°
2
Mostly sunny
84°
69°
3
Mostly sunny
83°
69°
4
Mostly sunny
83°
70°
5
Sunshine and some clouds
82°
66°
6
Partly sunny
84°
70°
7
Times of clouds and sun
84°
70°
8
Partly sunny
83°
69°
9
Mostly sunny and humid
84°
70°
10
Sunshine and a few clouds
84°
70°
11
An afternoon shower in spots
83°
69°
12
Mostly cloudy, showers; humid
83°
70°
13
Humid with showers around
84°
68°
14
Clouds yielding to sun
83°
69°
15
Abundant sunshine
82°
68°
16
Mostly sunny
83°
68°
17
An afternoon shower in spots
82°
69°
18
Mostly sunny
83°
71°
19
Partly sunny
85°
69°
20
Humid with a few showers
84°
70°
21
Humid with showers around
85°
71°
22
Hist. Avg.
86°
74°
23
Hist. Avg.
86°
74°
24
Hist. Avg.
86°
74°
25
Hist. Avg.
86°
74°
26
Hist. Avg.
86°
73°
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 Kailua

Kailua's August 2026 forecast shows daily high temperatures ranging from 82° to 85°, with overnight lows between 66° and 71°. The average high for August is 83° 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 Kailua. See also: September | October | November.

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Weather Near Kailua Kona:

  • East Honolulu, HI
  • Honolulu, HI
  • Pearl City, HI
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