Hilo, HI 14-Day Forecast

Hawaii, United States 🇺🇸
75°
Patchy rain nearby right now Today: high 80°, low 71°
Updated just now

Hilo weather for the next 14 days

Today

Patchy rain nearby High 80° Low 71°
Precipitation
80% · 0.25 in
9 mph
14 - Extreme
Sunrise / sunset
05:50 AM / 07:02 PM

Saturday, July 18

Patchy rain nearby High 77° Low 73°
Precipitation
71% · 0.13 in
Max wind
10 mph
Humidity
81%
UV index
11 - Very High
Sunrise / sunset
05:51 AM / 07:02 PM

Sunday, July 19

Patchy rain nearby High 76° Low 72°
Precipitation
60% · 0.05 in
Max wind
8 mph
Humidity
79%
UV index
11 - Very High
Sunrise / sunset
05:51 AM / 07:01 PM

Monday, July 20

Patchy rain nearby High 78° Low 69°
Precipitation
61% · 0.07 in
Max wind
8 mph
Humidity
78%
UV index
12 - Extreme
Sunrise / sunset
05:51 AM / 07:01 PM

Tuesday, July 21

Patchy rain nearby High 78° Low 71°
Precipitation
76% · 0.16 in
Max wind
9 mph
Humidity
80%
UV index
6 - High
Sunrise / sunset
05:52 AM / 07:01 PM

Wednesday, July 22

Patchy rain nearby High 76° Low 69°
Precipitation
71% · 0.13 in
Max wind
10 mph
Humidity
79%
UV index
5 - Moderate
Sunrise / sunset
05:52 AM / 07:01 PM

Thursday, July 23

Patchy rain nearby High 77° Low 70°
Precipitation
64% · 0.09 in
Max wind
9 mph
Humidity
73%
UV index
6 - High
Sunrise / sunset
05:53 AM / 07:00 PM

Friday, July 24

Patchy rain nearby High 77° Low 71°
Precipitation
77% · 0.17 in
Max wind
10 mph
Humidity
78%
UV index
5 - Moderate
Sunrise / sunset
05:53 AM / 07:00 PM

Saturday, July 25

Patchy rain nearby High 77° Low 69°
Precipitation
65% · 0.08 in
Max wind
12 mph
Humidity
76%
UV index
5 - Moderate
Sunrise / sunset
05:53 AM / 07:00 PM

Sunday, July 26

Patchy rain nearby High 78° Low 69°
Precipitation
53% · 0.04 in
Max wind
14 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
05:54 AM / 06:59 PM

Monday, July 27

Patchy rain nearby High 77° Low 71°
Precipitation
69% · 0.1 in
Max wind
14 mph
Humidity
77%
UV index
6 - High
Sunrise / sunset
05:54 AM / 06:59 PM

Tuesday, July 28

Patchy rain nearby High 78° Low 70°
Precipitation
59% · 0.06 in
Max wind
11 mph
Humidity
74%
UV index
7 - High
Sunrise / sunset
05:54 AM / 06:58 PM

Wednesday, July 29

Patchy rain nearby High 76° Low 70°
Precipitation
59% · 0.06 in
Max wind
10 mph
Humidity
77%
UV index
6 - High
Sunrise / sunset
05:55 AM / 06:58 PM

Thursday, July 30

Patchy rain nearby High 78° Low 69°
Precipitation
75% · 0.15 in
Max wind
11 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
05:55 AM / 06:58 PM

Hilo 14-day outlook: the story

The warmest day of Hilo's 14-day outlook is Friday, July 17 with a high near 80°F (26°C); the coolest night comes Saturday, July 25, dipping to 69°F (20°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 77°F (25°C), about 3°F (2°C) below the typical July high of 80°F (26°C).

Precipitation is most likely on Friday 17, Saturday 18, Sunday 19, Monday 20 and beyond; the wettest day looks like Friday, July 17 with about 0.25 in (6.4 mm) expected. For the weekend, expect Saturday 77°F (25°C) and patchy rain nearby / Sunday 76°F (25°C) and patchy rain nearby.

For typical conditions month by month, see the Hilo climate & average temperatures guide.

Hilo forecast questions

Will it rain in Hilo this week?
The forecast currently shows meaningful precipitation chances on 14 of the next 14 days, peaking around Friday, July 17.
What will be the warmest day in Hilo over the next 14 days?
Friday, July 17, with a forecast high near 80°F (26°C).
How accurate is a 14-day forecast for Hilo?
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 Hilo by month

Monthly averages for Hilo based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 76° 65° 15 5.7 in 9.7 h/day 79%
February 75° 65° 20 8.5 in 9.3 h/day 80%
March 75° 66° 23 9.9 in 8.6 h/day 82%
April 76° 67° 24 9.3 in 9.8 h/day 82%
May 77° 68° 26 8.0 in 10.4 h/day 82%
June 78° 69° 23 5.1 in 11.7 h/day 82%
July 80° 70° 27 6.6 in 11.7 h/day 82%
August 80° 71° 26 9.1 in 11.0 h/day 83%
September 80° 71° 24 5.5 in 10.9 h/day 81%
October 80° 70° 22 8.5 in 10.0 h/day 81%
November 78° 68° 22 9.4 in 9.1 h/day 82%
December 76° 66° 22 8.0 in 8.8 h/day 82%
14-day forecasts nearby