NWS, American, European side by side around St. Petersburg 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
St. Petersburg, FL is at its warmest in Jul (average highs near 91°F) and coldest in Jan (lows around 55°F), with roughly 44 in of precipitation across the year. Below, compare what NWS, American, European forecast for St. Petersburg right now, and see exactly where they disagree.
St. Petersburg climate by month
average daytime high and overnight low across a typical year
Jan
68°
55°
Feb
72°
58°
Mar
77°
63°
Apr
81°
67°
May
87°
73°
Jun
88°
76°
Jul
91°
79°
Aug
89°
79°
Sep
88°
76°
Oct
83°
69°
Nov
78°
64°
Dec
71°
57°
Common questions
What's the weather in St. Petersburg today?
On this page we show what NWS, American, European each forecast for St. Petersburg 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 St. Petersburg today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for St. Petersburg 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 St. Petersburg?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the St. Petersburg 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 St. Petersburg?
Jul is typically the warmest month in St. Petersburg, with average highs around 91°F.
How cold does St. Petersburg get?
The coldest month in St. Petersburg is Jan, when overnight lows average about 55°F.
How much rain does St. Petersburg get?
St. Petersburg sees roughly 44 in of precipitation a year, with Oct 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.