Weather Happy Valley long-term weather forecast

Long-term weather forecast for Happy Valley for ten days.

Thursday, Jan 15

20 / 18°C

15.3 mm

10 km/h

21 °C	23 °C	2 am
21 °C	24 °C	8 am
23 °C	26 °C	2 pm
20 °C	23 °C	8 pm

sunrise 7:05 am
sunset 6:06 pm

HOURLY

During the day morning rain showers, later morning heavy rain showers, in the afternoon initially heavy rain showers, later light rain showers, in the evening initially light rain showers, later cloudy. The highest temperature 20 °C. Total rainfall 15.3 mm. At night partly cloudy. The lowest temperature 18 °C.

Interactive map weather Hawaii, USA

GPS: 20.8912; -156.5081

altitude: 95 m
local time:

PLACES IN THE AREA

Weather forecast Happy Valley, Hawaii, USA extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Thursday 01/15/2026
2 AM 7 AM	rain showers	21 °C 24 °C	2.8 mm	5.2 m/s 19 km/h south-southwest	1008 hPa	94 %	19 °C	80 %	0%	73%	28%	5%
8 AM 1 PM	heavy rain showers	21 °C 24 °C	11.7 mm	4.7 m/s 17 km/h south-southwest	1009 hPa	94 %	20 °C	74 %	0%	14%	54%	35%
2 PM 7 PM	light rain showers	23 °C 26 °C	0.8 mm	2.8 m/s 10 km/h southwest	1007 hPa	86 %	20 °C	83 %	0%	78%	21%	0%
8 PM 1 AM	cloudy	20 °C 22 °C	0.0 mm	2.0 m/s 7 km/h north-northwest	1010 hPa	86 %	17 °C	54 %	0%	54%	7%	0%
Friday 01/16/2026
2 AM 7 AM	partly cloudy	19 °C 20 °C	0.0 mm	1.6 m/s 6 km/h north-northeast	1010 hPa	79 %	14 °C	35 %	0%	35%	0%	0%
8 AM 1 PM	partly cloudy	19 °C 20 °C	0.1 mm	2.5 m/s 9 km/h east-northeast	1012 hPa	75 %	14 °C	25 %	0%	25%	0%	0%
2 PM 7 PM	cloudy	22 °C 22 °C	0.0 mm	4.0 m/s 14 km/h northeast	1010 hPa	57 %	12 °C	43 %	0%	43%	0%	0%
8 PM 1 AM	cloudy	19 °C 20 °C	0.0 mm	2.8 m/s 10 km/h northeast	1012 hPa	75 %	14 °C	57 %	0%	57%	0%	0%

Happy Valley, Hawaii, USA - information

State: Hawaii, USA

GPS coordinates: 20.8912; -156.5081

Time zone: Pacific / Honolulu time difference in hours with time in US is -11 hours

Altitude: 95 m
The administrative part:

Hawaii, Honolulu
Maui, Wailuku

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Data source

Weather forecast for Happy Valley is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information Happy Valley

data are always in the local time

Sun and light

Jan. 15, 2026

Sunrise:	Sunset:
7:05 am	6:06 pm
Noon:	Length of day:
12:35 pm	11:01
Start of civil twilight*:	End of civil twilight*:
6:41 am	6:30 pm
Start of nautical twilight*:	End of nautical twilight*:
6:14 am	6:56 pm
Start of astronomical twilight*:	End of astronomical twilight*:
5:47 am	7:23 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/15/2026 4:45 am	01/15/2026 3:33 pm
Next new moon:	Next full moon:
01/18/2026	02/01/2026