SEVERE WEATHER WARNING: Severe Thunderstorm Watch in Effect for NY.  More Info >>
Home / Local Weather & Traffic / New York / Commack / Weather Forecast

Commack, NY Weather Forecast for 5-Days

Updated: Thu May 21st 2026 12:15 AM EDT

Ask About Weather

Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!
Commack, NY Weather – 5-21 – Partly Cloudy
63° / 57°
Partly Cloudy
Commack could see overcast conditions with daytime highs of 63°F and nighttime lows near 57°F. Wind will be moderate, blowing around 11mph on average and gusts of 16.2mph at 2 AM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 70% at 11 PM and 41% being its lowest at 2 PM. Barometric pressure is its highest of 30.3inHg at 11 PM, a lowest point of 30.1inHg at 1 AM with an avg 30.21inHg.
Commack, NY Weather – 5-22 – Sunny
61° / 53°

Weather Tomorrow

Sunny
Daytime highs will reach 61°F with lows dropping to 53°F in Commack, where bright and sunny conditions. Winds will be light at 10mph and gusts of 12.9mph at 8 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 78% at 6 AM and 54% being its lowest at 1 PM. Barometric pressure is its highest of 30.36inHg at 8 AM, a lowest point of 30.3inHg at 1 AM with an avg 30.32inHg.
Commack, NY Weather – 5-23 – Scattered Showers
53° / 51°
Scattered Showers
In Commack, scattered showers are likely with a high near 53°F and a low around 51°F. Rainfall predicted to have a 64% chance with an estimated 0.17in. Winds will be light at 8mph and gusts of 10.8mph at 11 PM. High humidity with average of 85% is anticipated, the maximum being 90% at 8 AM and 68% being its lowest at 12 AM. Barometric pressure is its highest of 30.42inHg at 11 PM, a lowest point of 30.29inHg at 2 AM with an avg 30.37inHg.
Commack, NY Weather – 5-24 – Scattered Showers
58° / 52°
Scattered Showers
Commack may see scattered showers, with daytime highs of 58°F and overnight lows near 52°F. Rainfall predicted to have a 74% chance with an estimated 0.03in. Wind will be moderate, blowing around 14mph on average and gusts of 18mph at 8 AM. The humidity will be on the higher side, averaging about 71%, the maximum being 91% at 5 AM and 49% being its lowest at 2 PM. Barometric pressure is its highest of 30.48inHg at 11 AM, a lowest point of 30.41inHg at 2 AM with an avg 30.45inHg.
Commack, NY Weather – 5-25 – Scattered Showers
59° / 53°
Scattered Showers
In Commack, showers likely at times with highs near 59°F and lows around 53°F. The chance of rain is 83% with an estimated 0.04in. Wind will be moderate, blowing around 13mph on average and gusts of 18.5mph at 11 PM. High humidity with average of 81% is anticipated, the maximum being 97% at 11 PM and 66% being its lowest at 12 AM. Barometric pressure is its highest of 30.45inHg at 12 AM, a lowest point of 30.27inHg at 11 PM with an avg 30.38inHg.
Commack, NY Weather – 5-26 – Scattered Showers
63° / 57°
Scattered Showers
Daytime highs will reach 63°F with lows dropping to 57°F in Commack, where showers likely at times. The chance of rain is 87% with an estimated 0.05in. Winds will be light at 9mph and gusts of 16.1mph at 12 AM. High humidity with average of 96% is anticipated, the maximum being 99% at 8 AM and 89% being its lowest at 5 PM. Barometric pressure is its highest of 30.25inHg at 12 AM, a lowest point of 30.11inHg at 11 PM with an avg 30.15inHg.

Currently

Partly Cloudy 64°F
30.1 inHg.
Barometer
63%
Humidity
N 10.8 mph
Wind
Partly Cloudy

5 Day Forecast Nearby

More Local Information

Bookmark and Share

Get the LocalConditions.com App on Google Play
Sign up for a membership to go Ad free

Commack weather forecast and traffic updates by locals

Write your own Commack, NY report, forecast, or traffic update:


Will not be posted, shared or used for marketing!

Please note by clicking on "Post" you acknowledge that you have read our Privacy Policy and Terms of Service and the Commack, NY report and/or forecast you are posting is in compliance with such terms. If you are under 18, do not submit this form. Be respectful! Inappropriate content will be removed by a moderator.