Nimbocast

Niu Valley, HI Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Niu Valley, Honolulu County, Hawaii.

Updated Jul 29, 2026, 11:10 AM local time · Radar refreshes every 5 minutes

🌦️
Niu Valley
Light drizzle
83°F
Feels like 91°F
Wind 9 mph
Humidity 72%
Cloud cover 63%
UV index 9
Alerts 1

Active alerts (1)

High Surf AdvisoryMinor
Olomana; Maui Windward West; Kauai East; East Honolulu; Koolau Windward; Molokai Windward; Molokai Southeast; Windward Haleakala; Kipahulu; Big Island Southeast; Big Island East; Big Island North
Until Jul 30, 2026, 2:15 AM
Full details 
...HIGH SURF ADVISORY FOR EAST FACING SHORES THROUGH WEDNESDAY
AFTERNOON...

.East swell from Tropical Depression Fausto has fallen below
warning levels and will continue to rapidly decline today. By this
afternoon, surf is expected to diminish below advisory
thresholds as the depression continues to weaken.

* WHAT...Surf 8 to 12 ft in the morning, quickly diminishing below
10 ft by this afternoon.

* WHERE...East facing shores.

* WHEN...Until 6 PM HST this evening.

* IMPACTS...Moderate. Strong breaking waves and strong currents
will make swimming dangerous.

Heed all advice from ocean safety officials. When in doubt, don't
go out.

Niu Valley weather radar

Light Heavy

Next 24 hours

Now
🌦️
83°F
4%
12 PM
🌦️
84°F
3%
1 PM
☀️
84°F
1%
2 PM
☀️
85°F
 
3 PM
🌤️
84°F
 
4 PM
☀️
83°F
1%
5 PM
☀️
82°F
2%
6 PM
☀️
81°F
2%
7 PM
☀️
79°F
2%
8 PM
🌤️
78°F
2%
9 PM
☀️
77°F
1%
10 PM
☀️
77°F
1%
11 PM
☀️
77°F
 
12 AM
🌤️
77°F
 
1 AM
🌦️
76°F
 
2 AM
☀️
76°F
 
3 AM
☀️
76°F
 
4 AM
☀️
75°F
 
5 AM
☀️
75°F
 
6 AM
☀️
74°F
1%
7 AM
🌤️
77°F
1%
8 AM
🌦️
80°F
2%
9 AM
🌦️
81°F
2%
10 AM
🌦️
82°F
2%

7-day forecast

Today
Jul 29
🌦️
85°F
75°F
4%
Thu
Jul 30
🌦️
84°F
74°F
12%
Fri
Jul 31
🌦️
84°F
77°F
14%
Sat
Aug 1
🌦️
83°F
77°F
27%
Sun
Aug 2
🌦️
82°F
77°F
31%
Mon
Aug 3
🌦️
81°F
74°F
25%
Tue
Aug 4
🌦️
82°F
75°F
14%

Weather near Niu Valley

1 mi East Honolulu, HI1 mi Kuliouou - Kalani Iki, HI5 mi Manoa, HI5 mi Diamond Head / Kapahulu / Saint Louis Heights, HI6 mi Waikīkī, HI8 mi Honolulu, HI8 mi Kailua, HI9 mi Kaneohe, HI
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.

← All Hawaii weather