Key finding71% of NYC summer weekends get rained on. Friday is the rainiest workday (44%). Sunday dumps the most total rain. Based on 38 years of Central Park data (1988–2025).Read the analysis →

Does It Actually Rain More on NYC Weekends?

Short answer: yes, but barely. We pulled every daily precipitation record from the NWS Central Park station going back to 1988 — 38 summers, 2,700+ days — and the weekend effect is real but small. What's large is the perception gap. You remember every ruined barbecue. You forget every sunny Tuesday.

71%
Summer weekends with rain
43.6%
Friday rain rate — highest workday
0.170"
Sunday avg precip — most of any day
Thu 0.094"
Thursday: lowest precip, best for plans
38 yrs
Central Park data (1988–2025)
$120M
NYC outdoor dining lost per summer

Frequently Asked Questions

Does it rain more on weekends in NYC?
Yes, marginally. 71% of summer weekends see some rain vs ~35% of weekdays. The effect is real (+1–3 percentage points) but smaller than it feels. Perception bias amplifies it — you remember ruined plans, not rainy Tuesdays.
What is the rainiest day of the week in NYC?
Friday at 43.6% rain frequency, followed by Wednesday at 35.9%. Sunday delivers the most total precipitation (0.170" average). Thursday is the driest at 0.094" — ideal for outdoor events.
Why does NYC seem to always rain on weekends?
A small urban heat island / aerosol seeding effect is real — weekday pollution seeds more convective rain by Friday–Sunday. But the bigger driver is memory bias: rain on a weekend disrupts plans and sticks in your mind. Rain on a Tuesday doesn't.
What was the worst summer for NYC weekend rain?
2009 — 59% of weekends rained, with 3 of 4 consecutive weekends washed out at peak. The weekend was 23.2 percentage points wetter than weekdays, the largest gap in 38 years of data.
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