NWS, American, European side by side around Whittier and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Whittier, CA is at its warmest in Jul (average highs near 91°F) and coldest in Jan (lows around 44°F), with roughly 30 in of precipitation across the year. Below, compare what NWS, American, European forecast for Whittier right now, and see exactly where they disagree.
Whittier climate by month
average daytime high and overnight low across a typical year
Jan
62°
44°
Feb
62°
44°
Mar
62°
46°
Apr
72°
49°
May
74°
53°
Jun
80°
58°
Jul
91°
62°
Aug
89°
63°
Sep
85°
61°
Oct
84°
57°
Nov
74°
49°
Dec
69°
48°
Common questions
What's the weather in Whittier today?
On this page we show what NWS, American, European each forecast for Whittier today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Whittier today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Whittier and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Whittier?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Whittier forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Whittier?
Jul is typically the warmest month in Whittier, with average highs around 91°F.
How cold does Whittier get?
The coldest month in Whittier is Jan, when overnight lows average about 44°F.
How much rain does Whittier get?
Whittier sees roughly 30 in of precipitation a year, with Feb usually the wettest month.
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.