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Stamford weekend weather

This weekend in Stamford, CT, model by model. Weekend forecasts are far enough out that the models often split — so we show you where.

Weekend

The models centre on about 84° across the weekend. Agreement is medium — plausible, but worth re-checking closer to the day. Rain chance reaches 67% on at least one model.

Sat

2026-08-01 — every model, side by side
NWSNational Blend (NBM)
86°
Partly cloudy
High 86°·Low 67°·Rain 2%
AmericanNOAA GFS
89°
Cloudy
High 89°·Low 68°·Rain 2%
EuropeanECMWF
84°
Cloudy
High 84°·Low 68°·Rain 16%

The models range from 84° to 89°. Treat the middle of that range as the likely outcome and keep a backup plan.

Sun

2026-08-02 — every model, side by side
NWSNational Blend (NBM)
80°
Light drizzle
High 80°·Low 71°·Rain 50%
AmericanNOAA GFS
83°
Cloudy
High 83°·Low 72°·Rain 50%
EuropeanECMWF
82°
Cloudy
High 82°·Low 73°·Rain 67%

All 3 models land within 3° of each other for this day — that is a forecast you can plan on.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°76° to 77°±34%37% to 71% chance
Tomorrow±4°81° to 84°±45%4% to 49% chance
Sat±5°84° to 89°±14%2% to 16% chance
Sun±3°80° to 83°±17%50% to 67% chance
Mon±8°74° to 82°±25%50% to 75% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Common questions

Will it rain this weekend?
At least one model puts the weekend rain chance as high as 67%. Weekend forecasts sit far enough ahead that models frequently disagree on showers — when they do, no single app can honestly tell you it will or will not rain.
How reliable is a weekend forecast?
It depends how far away the weekend is. Forecast error grows steadily with lead time, so a Saturday forecast made on Friday is far stronger than one made the previous Monday. The honest signal is model agreement: when they converge the forecast is solid, and when they spread the weekend is genuinely uncertain.

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