NWS, American, European side by side around Oceanside 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
Oceanside, CA is at its warmest in Aug (average highs near 76°F) and coldest in Jan (lows around 48°F), with roughly 23 in of precipitation across the year. Below, compare what NWS, American, European forecast for Oceanside right now, and see exactly where they disagree.
Oceanside climate by month
average daytime high and overnight low across a typical year
Jan
61°
48°
Feb
60°
48°
Mar
60°
49°
Apr
62°
51°
May
65°
56°
Jun
69°
60°
Jul
74°
64°
Aug
76°
65°
Sep
74°
63°
Oct
73°
58°
Nov
68°
52°
Dec
64°
49°
Common questions
What's the weather in Oceanside today?
On this page we show what NWS, American, European each forecast for Oceanside 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 Oceanside today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Oceanside 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 Oceanside?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Oceanside 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 Oceanside?
Aug is typically the warmest month in Oceanside, with average highs around 76°F.
How cold does Oceanside get?
The coldest month in Oceanside is Jan, when overnight lows average about 48°F.
How much rain does Oceanside get?
Oceanside sees roughly 23 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.