Suffolk County, NY Weather Forecast | 5 Day

Updated: Sat Jul 19th 2025 4:30 AM EDT

Ask About Weather

Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!
Suffolk County, NY Weather Forecast - 7-19 - Partly Cloudy

Partly Cloudy

Sat 7-19

Partly Cloudy with a high of 79°F and a low of 69°F. Wind will be moderate, blowing around 11mph on average and gusts of 17.1mph at 10 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 82% at 6 AM and 59% being its lowest at 12 PM. Barometric pressure is its highest of 30.11inHg at 7 AM, a lowest point of 29.99inHg at 11 PM with an avg 30.06inHg.

    • HI: 79°F
    • LO: 69°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      11 mph
    • Humidity
      71% avg.
    • UV Index
      2.4
    • Air Quality
      Moderate
    • Sunrise
      05:37 AM
    • Sunset
      08:19 PM
    • Moonrise
      12:26 AM
    • Moonset
      03:33 PM
    • Moon Phase
      Waning Crescent
Suffolk County, NY Weather Forecast - 7-20 - Patchy Rain Nearby

Patchy Rain Nearby

Sun 7-20

Scattered showers with a high of 85°F and a low of 73°F. It will likey rain in the surrounding area, having a 77% chance of a downpour with an estimated 0.16in. Wind will be moderate, blowing around 14mph on average and gusts of 21mph at 8 PM. High humidity with average of 85% is anticipated, the maximum being 95% at 6 AM and 72% being its lowest at 5 PM. Barometric pressure is its highest of 29.96inHg at 12 AM, a lowest point of 29.72inHg at 5 PM with an avg 29.82inHg.

    • HI: 85°F
    • LO: 73°F
    • Rainfall: 77% | est. 0.16in
    • Snowfall: 0%
    • Wind
      13.2 mph
    • Humidity
      85% avg.
    • UV Index
      2.2
    • Air Quality
      Moderate
    • Sunrise
      05:37 AM
    • Sunset
      08:19 PM
    • Moonrise
      01:02 AM
    • Moonset
      04:50 PM
    • Moon Phase
      Waning Crescent
Suffolk County, NY Weather Forecast - 7-21 - Sunny

Sunny

Mon 7-21

Sunny with a high of 80°F and a low of 68°F. Wind will be moderate, blowing around 14mph on average and gusts of 19.3mph at 12 AM. The humidity will be on the higher side, averaging about 61%, the maximum being 75% at 6 AM and 46% being its lowest at 5 PM. Barometric pressure is its highest of 30.01inHg at 10 PM, a lowest point of 29.8inHg at 12 AM with an avg 29.9inHg.

    • HI: 80°F
    • LO: 68°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      13.6 mph
    • Humidity
      61% avg.
    • UV Index
      2.4
    • Air Quality
      Good
    • Sunrise
      05:38 AM
    • Sunset
      08:18 PM
    • Moonrise
      01:47 AM
    • Moonset
      06:03 PM
    • Moon Phase
      Waning Crescent
Suffolk County, NY Weather Forecast - 7-22 - Patchy Rain Nearby

Patchy Rain Nearby

Tue 7-22

Scattered showers with a high of 74°F and a low of 65°F. It will likey rain in the surrounding area, having a 87% chance of a downpour with an estimated 0.02in. Wind will be moderate, blowing around 18mph on average and gusts of 21.8mph at 6 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 75% at 5 AM and 51% being its lowest at 4 PM. Barometric pressure is its highest of 30.22inHg at 10 PM, a lowest point of 30.04inHg at 12 AM with an avg 30.14inHg.

    • HI: 74°F
    • LO: 65°F
    • Rainfall: 87% | est. 0.02in
    • Snowfall: 0%
    • Wind
      17.4 mph
    • Humidity
      63% avg.
    • UV Index
      2.3
    • Air Quality
      Good
    • Sunrise
      05:39 AM
    • Sunset
      08:17 PM
    • Moonrise
      02:44 AM
    • Moonset
      07:07 PM
    • Moon Phase
      Waning Crescent
Suffolk County, NY Weather Forecast - 7-23 - Sunny

Sunny

Wed 7-23

Sunny with a high of 76°F and a low of 67°F. Wind will be moderate, blowing around 15mph on average and gusts of 20.4mph at 8 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 70% at 11 PM and 52% being its lowest at 11 AM. Barometric pressure is its highest of 30.28inHg at 6 AM, a lowest point of 30.21inHg at 5 PM with an avg 30.25inHg.

    • HI: 76°F
    • LO: 67°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      15 mph
    • Humidity
      62% avg.
    • UV Index
      0.2
    • Air Quality
      TBA
    • Sunrise
      05:40 AM
    • Sunset
      08:16 PM
    • Moonrise
      03:51 AM
    • Moonset
      07:57 PM
    • Moon Phase
      Waning Crescent
Suffolk County, NY Weather Forecast - 7-24 - Patchy Rain Nearby

Patchy Rain Nearby

Thu 7-24

Scattered showers with a high of 79°F and a low of 71°F. It will likey rain in the surrounding area, having a 85% chance of a downpour with an estimated 0.02in. Wind will be moderate, blowing around 19mph on average and gusts of 28.5mph at 8 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 84% at 11 PM and 62% being its lowest at 1 PM. Barometric pressure is its highest of 30.19inHg at 12 AM, a lowest point of 29.95inHg at 11 PM with an avg 30.07inHg.

    • HI: 79°F
    • LO: 71°F
    • Rainfall: 85% | est. 0.02in
    • Snowfall: 0%
    • Wind
      18.3 mph
    • Humidity
      72% avg.
    • UV Index
      5
    • Air Quality
      TBA
    • Sunrise
      05:41 AM
    • Sunset
      08:15 PM
    • Moonrise
      05:05 AM
    • Moonset
      08:37 PM
    • Moon Phase
      New Moon