NWS, American, European side by side around Mesa and nearby towns.Live rain radar →
Loading the three model maps…
Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Mesa, AZ is at its warmest in Jul (average highs near 110°F) and coldest in Jan (lows around 42°F), with roughly 9 in of precipitation across the year. Below, compare what NWS, American, European forecast for Mesa right now, and see exactly where they disagree.
Mesa climate by month
average daytime high and overnight low across a typical year
Jan
62°
42°
Feb
67°
45°
Mar
71°
49°
Apr
85°
57°
May
94°
68°
Jun
103°
76°
Jul
110°
87°
Aug
106°
84°
Sep
102°
76°
Oct
93°
67°
Nov
76°
53°
Dec
71°
49°
Common questions
What's the weather in Mesa today?
On this page we show what NWS, American, European each forecast for Mesa 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 Mesa today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Mesa 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 Mesa?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Mesa 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 Mesa?
Jul is typically the warmest month in Mesa, with average highs around 110°F.
How cold does Mesa get?
The coldest month in Mesa is Jan, when overnight lows average about 42°F.
How much rain does Mesa get?
Mesa sees roughly 9 in of precipitation a year, with Jan 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.