Rain forecast and rainfall this year
Pomona, CA
No rain expected today.
Updated Thursday 5:09 AM ET.
Forecast
0 percent chance of rain
TodayHigh 78°, low 55°No rain expected
0 percent chance of rain
TomorrowHigh 81°, low 56°No rain expected
This year so far, since Jan 1
8.81 in
+1.01 in above normal for this point in the year (7.80 in).
National rank290th of 363
In California26th of 68
Biggest day1.12 in, Oct 22
Last measurable rain0.29 in, Nov 1, 2026
Month by month
Jan1.71
Feb3.00
Mar0.07
Apr0.53
May0.12
Jun0.00
Jul0.00
Aug0.00
Sep0.58
Oct2.51
Nov0.29
Dec–
This yearNormal
Records since 1999
Wettest year21.60 in, 2023
Biggest rain day3.46 in, Feb 5, 2024
Nearby cities
- OntarioCA8.09 in this year9 miles
- Rancho CucamongaCA8.09 in this year12 miles
- AnaheimCA8.81 in this year14 miles
- FullertonCA7.24 in this year15 miles
- FontanaCA8.09 in this year18 miles
More Pomona weather
Forecast based on National Weather Service forecast data. Rainfall records are from NOAA Regional Climate Centers for the Chino Airport station, recorded since 1998; 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.