Marine Weather Net

Smithtown, NY Weather Forecast




Smithtown, New York

 Lat: 40.86N, Lon: 73.21W

Current Conditions Updated: 856 AM EDT THU APR 2 2026

Overcast
Temp: 42°F
  • Humidity:
  • 82%
  • Winds:
  • 14 MPH ENE
  • Gusts:
  • 25 MPH
  • Barometer:
  • 30.41 in.
  • Dewpoint:
  • 37°F
  • Heat index:
  • 42°F

  • Sunrise:
  • 6:33 AM EDT
  • Sunset:
  • 7:17 PM EDT
  • Moonrise:
  • 8:16 PM EDT
  • Moonset:
  • 6:32 AM EDT

TODAY

SHOWERS
Hi: 45°F
Lo: 40°F
Precip: 70%

FRIDAY

PARTLY SUNNY
Hi: 59°F
Lo: 51°F
Precip: 30%

SATURDAY

PARTLY SUNNY
Hi: 61°F
Lo: 45°F
Precip: 20%

SUNDAY

SHOWERS
Hi: 59°F
Lo: 40°F
Precip: 100%
Weather Forecast In Detail:
Forecast Issued: 222 AM EDT Thu Apr 02 2026

Today...Cloudy. Showers likely this morning. Much cooler with highs in the mid 40s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Tonight...Cloudy. A slight chance of light rain and drizzle in the evening, then a chance of light rain and drizzle after midnight. Patchy fog in the evening, then areas of fog after midnight. Lows around 40. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.
Friday...Areas of fog in the morning. Cloudy with a chance of light rain and drizzle in the morning, then partly sunny in the afternoon. Highs in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 30 percent.
Friday Night...Mostly cloudy. Lows in the lower 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Saturday...Partly sunny with a 20 percent chance of showers. Highs in the lower 60s. Northwest winds around 5 mph, becoming east 10 to 15 mph in the afternoon.
Saturday Night...Mostly cloudy. A chance of showers after midnight. Lows in the mid 40s. Chance of rain 40 percent.
Sunday...Showers. Highs in the upper 50s. Chance of rain near 100 percent.
Sunday Night...Mostly cloudy with showers in the evening, then partly cloudy after midnight. Lows around 40. Chance of rain 90 percent.
Monday...Mostly sunny. Highs in the lower 50s.
Monday Night...Partly cloudy. Lows in the upper 30s.
Tuesday...Mostly sunny. Highs around 50.
Tuesday Night...Partly cloudy in the evening, then clearing. Lows in the lower 30s.
Wednesday...Sunny. Highs in the upper 40s.
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