Honolulu, HI 14-Day Forecast
Hawaii, United States 🇺🇸
78°
Sunny right now
Today: high 78°, low 76°
Updated 2 hours ago
Honolulu weather for the next 14 days
Tuesday, August 18
Overcast High 78° Low 76°Precipitation
28%
· 0.01 in
Max wind
21 mph
Humidity
75%
UV index
12 - Extreme
Sunrise / sunset
06:10 AM / 06:59 PM
Wednesday, August 19
Overcast High 78° Low 75°Precipitation
36%
· 0.01 in
Max wind
18 mph
Humidity
76%
UV index
12 - Extreme
Sunrise / sunset
06:11 AM / 06:58 PM
Thursday, August 20
Sunny High 80° Low 75°Precipitation
17%
· 0.0 in
Max wind
13 mph
Humidity
77%
UV index
12 - Extreme
Sunrise / sunset
06:11 AM / 06:57 PM
Friday, August 21
Sunny High 80° Low 75°Precipitation
21%
· 0.0 in
Max wind
14 mph
Humidity
82%
UV index
12 - Extreme
Sunrise / sunset
06:11 AM / 06:57 PM
Saturday, August 22
Patchy rain nearby High 80° Low 77°Precipitation
31%
· 0.01 in
Max wind
23 mph
Humidity
83%
UV index
7 - High
Sunrise / sunset
06:12 AM / 06:56 PM
Sunday, August 23
Patchy rain nearby High 79° Low 76°Precipitation
31%
· 0.01 in
Max wind
24 mph
Humidity
82%
UV index
6 - High
Sunrise / sunset
06:12 AM / 06:55 PM
Monday, August 24
Patchy rain nearby High 78° Low 76°Precipitation
44%
· 0.02 in
Max wind
27 mph
Humidity
82%
UV index
7 - High
Sunrise / sunset
06:12 AM / 06:54 PM
Tuesday, August 25
Patchy rain nearby High 78° Low 76°Precipitation
84%
· 0.19 in
Max wind
26 mph
Humidity
87%
UV index
6 - High
Sunrise / sunset
06:12 AM / 06:53 PM
Wednesday, August 26
Patchy rain nearby High 79° Low 76°Precipitation
61%
· 0.04 in
Max wind
22 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
06:13 AM / 06:53 PM
Thursday, August 27
Patchy rain nearby High 78° Low 76°Precipitation
44%
· 0.02 in
Max wind
26 mph
Humidity
82%
UV index
6 - High
Sunrise / sunset
06:13 AM / 06:52 PM
Friday, August 28
Patchy rain nearby High 78° Low 76°Precipitation
28%
· 0.01 in
Max wind
22 mph
Humidity
79%
UV index
6 - High
Sunrise / sunset
06:13 AM / 06:51 PM
Saturday, August 29
Patchy rain nearby High 80° Low 76°Precipitation
24%
· 0.01 in
Max wind
21 mph
Humidity
78%
UV index
7 - High
Sunrise / sunset
06:14 AM / 06:50 PM
Sunday, August 30
Patchy rain nearby High 80° Low 76°Precipitation
37%
· 0.01 in
Max wind
24 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
06:14 AM / 06:49 PM
Honolulu 14-day outlook: the story
The warmest day of Honolulu's 14-day outlook is Friday, August 21 with a high near 80°F (27°C); the coolest night comes Friday, August 21, dipping to 75°F (24°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 79°F (26°C), about 5°F (3°C) below the typical August high of 84°F (29°C).
Precipitation is most likely on Monday 17, Tuesday 25, Wednesday 26; the wettest day looks like Tuesday, August 25 with about 0.19 in (4.9 mm) expected. For the weekend, expect Saturday 80°F (26°C) and patchy rain nearby / Sunday 79°F (26°C) and patchy rain nearby.
For typical conditions month by month, see the Honolulu climate & average temperatures guide.
Honolulu forecast questions
Will it rain in Honolulu this week?
The forecast currently shows meaningful precipitation chances on 3 of the next 14 days, peaking around Tuesday, August 25.
What will be the warmest day in Honolulu over the next 14 days?
Friday, August 21, with a forecast high near 80°F (27°C).
How accurate is a 14-day forecast for Honolulu?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Honolulu by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 77° | 68° | 7 | 1.4 in | 10.1 h/day | 74% |
| February | 76° | 68° | 8 | 2.0 in | 10.2 h/day | 73% |
| March | 77° | 69° | 10 | 2.1 in | 10.5 h/day | 74% |
| April | 79° | 71° | 11 | 1.8 in | 11.6 h/day | 73% |
| May | 80° | 72° | 9 | 1.6 in | 12.3 h/day | 72% |
| June | 82° | 73° | 7 | 1.0 in | 12.8 h/day | 71% |
| July | 83° | 75° | 7 | 0.8 in | 12.7 h/day | 72% |
| August | 84° | 75° | 9 | 1.5 in | 12.3 h/day | 72% |
| September | 84° | 75° | 8 | 1.1 in | 11.5 h/day | 72% |
| October | 83° | 74° | 10 | 1.5 in | 10.7 h/day | 74% |
| November | 80° | 72° | 6 | 1.2 in | 10.2 h/day | 74% |
| December | 78° | 70° | 7 | 2.2 in | 9.8 h/day | 75% |
14-day forecasts nearby