Typical Run Score
73
Good
Chicago · March
Running in Chicago in March
Typical March running conditions in Chicago — and a live Run Score so you can see how today compares with the norm.
Avg temperature
39°F
Cold
Avg dew point
30°F
Comfortable
Best window
8 AM–11 PM
Local time
Chicago · today vs the March normTemperature · dew point · wind · timing
How March compares in Chicago
March ranks 6th of 12 months for running in Chicago, with a typical daytime Run Score of 73 (Good). For reference, the best month is May (score 81) and the hardest is January (score 61). The kindest window in March is typically 8 AM–11 PM. Precipitation falls in roughly 18% of hours this month. Use the live tool below to see how today actually compares with the March norm.
Running weather in nearby cities
Same engine, different climate. Check the best time to run in these cities too.
Running in Chicago in March: FAQ
Is it good to run in Chicago in March?
Generally yes, with sensible timing. The typical daytime Run Score is 73 (Good), with temperatures around 39°F (4°C) and comfortable dew points. The best window is usually 8 AM–11 PM.
How hot is it for running in Chicago in March?
Typical temperatures average 39°F (4°C) (Cold) with dew points near 30°F. Dew point — not the thermometer — usually decides how hard the run feels.
What is a good Run Score?
Scores run 0–100. 97+ is Perfect, 80–96 is Great — conditions are actively working in your favour. 65–79 (Good) is solid. 45–64 (Mixed) means at least one factor — usually heat or dew point — is taxing you. Below 45 (Poor), expect a noticeably harder effort or hold back for safety.
Why does dew point matter more than temperature?
Your body cools by evaporating sweat. When the dew point climbs above roughly 60°F, the air is too saturated for sweat to evaporate efficiently, so heat builds up even if the thermometer looks reasonable. That's why a 70°F muggy morning can feel harder than a dry 80°F afternoon.
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