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Stony Brook weather
Current conditions and a 14-day forecast for Stony Brook, United States. Looking for typical seasonal weather instead? See the historical climate averages.
Now
26°C
Overcast · feels 26°C
Humidity
51%
relative humidity
Wind
8 km/h
10m wind speed
Chance of rain
17%
today
Next 24 hours in Stony Brook
| Time | Conditions | Temp | Rain chance |
|---|---|---|---|
| 9am | Overcast | 24°C | 14% |
| 10am | Overcast | 26°C | 2% |
| 11am | Mainly clear | 27°C | 1% |
| 12pm | Clear sky | 30°C | 1% |
| 1pm | Clear sky | 32°C | 0% |
| 2pm | Clear sky | 33°C | 0% |
| 3pm | Clear sky | 31°C | 0% |
| 4pm | Clear sky | 31°C | 1% |
| 5pm | Overcast | 30°C | 8% |
| 6pm | Overcast | 31°C | 17% |
| 7pm | Overcast | 31°C | 5% |
| 8pm | Clear sky | 29°C | 1% |
| 9pm | Mainly clear | 27°C | 0% |
| 10pm | Clear sky | 26°C | 0% |
| 11pm | Overcast | 25°C | 0% |
| 12am | Overcast | 23°C | 0% |
| 1am | Partly cloudy | 22°C | 0% |
| 2am | Clear sky | 21°C | 0% |
| 3am | Clear sky | 20°C | 0% |
| 4am | Clear sky | 19°C | 0% |
| 5am | Clear sky | 19°C | 0% |
| 6am | Partly cloudy | 18°C | 0% |
| 7am | Clear sky | 20°C | 0% |
| 8am | Overcast | 22°C | 0% |
14-day forecast for Stony Brook
| Day | Conditions | High / Low | Rain chance |
|---|---|---|---|
| Today | Overcast | 33° / 22° | 17% |
| Fri, Jul 17 | Overcast | 30° / 18° | 0% |
| Sat, Jul 18 | Violent rain showers | 26° / 21° | 91% |
| Sun, Jul 19 | Slight rain showers | 29° / 22° | 91% |
| Mon, Jul 20 | Overcast | 24° / 18° | 5% |
| Tue, Jul 21 | Thunderstorm | 27° / 22° | 50% |
| Wed, Jul 22 | Dense drizzle | 25° / 19° | 50% |
| Thu, Jul 23 | Overcast | 26° / 17° | 36% |
| Fri, Jul 24 | Moderate drizzle | 22° / 18° | 13% |
| Sat, Jul 25 | Overcast | 26° / 20° | 20% |
| Sun, Jul 26 | Thunderstorm | 27° / 21° | 25% |
| Mon, Jul 27 | Overcast | 26° / 20° | 23% |
| Tue, Jul 28 | Overcast | 26° / 19° | 32% |
| Wed, Jul 29 | Overcast | 23° / 17° | 26% |
Want more sun and moon detail for Stony Brook? Use the sun calculator or moon calculator and search for Stony Brook. For a live look at any other city, try the interactive weather tool.
Frequently asked questions
What's the weather like in Stony Brook today?
Current conditions and today's forecast for Stony Brook, United States are shown above, refreshed regularly through the day.
How accurate is a 14-day forecast?
A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.
What is Stony Brook's weather usually like?
For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see Stony Brook's climate page rather than this live forecast.