Rain forecast and rainfall this year
Honolulu, HI
Rain possible today: 39% chance, about 0.02 inches.
Updated Friday 8:40 PM ET.
Forecast
39 percent chance of rain
TodayHigh 84°, low 75°About 0.02 in of rain
18 percent chance of rain
TomorrowHigh 83°, low 75°No rain expected
This year so far, since Jan 1
25.40 in
+12.97 in above normal for this point in the year (12.43 in).
National rank182nd of 363
In Hawaii2nd of 2
Biggest day5.51 in, Mar 13
Last measurable rain0.08 in, Oct 31, 2026
Month by month
Jan1.34
Feb2.37
Mar13.61
Apr2.93
May0.53
Jun0.32
Jul0.02
Aug0.91
Sep1.16
Oct2.21
Nov0.00
Dec–
This yearNormal
Records since 1941
Wettest year42.78 in, 1965
Biggest rain day15.32 in, Mar 5, 1958
Nearby cities
- KahuluiHI32.01 in this year94 miles
- San FranciscoCA12.20 in this year2392 miles
- Santa RosaCA14.36 in this year2392 miles
- Santa CruzCA8.97 in this year2396 miles
- RichmondCA12.20 in this year2399 miles
More Honolulu weather
Forecast based on National Weather Service forecast data. Rainfall records are from NOAA Regional Climate Centers for the Honolulu International Airport station, recorded since 1940; normals are NOAA’s 1991–2020 averages. Totals are preliminary. Records are this station’s own and may differ from official NWS city records, which can include earlier locations. Incomplete years and several-day totals are left out. Rain Scoreboard is not affiliated with the National Weather Service or NOAA.