Hamilton, PA Weather Tomorrow

Stay one step ahead with tomorrow's weather in Hamilton and a reliable 5 day forecast including precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction across the Hamilton area and around Jefferson county, Pennsylvania.
Updated: Tue Sep 1st 2026 10:15 AM EDT
Hamilton, PA Weather – 9-1 – Light Rain
86° / 68°
Light Rain
It will rain at times in Hamilton, with a high of 86°F and a low of 68°F. The chance of rain is 86% with an estimated 0.99in. Wind will be moderate, blowing around 11mph on average and gusts of 18.4mph at 11 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 95% at 11 PM and 49% being its lowest at 4 PM. Barometric pressure is its highest of 30.03inHg at 11 AM, a lowest point of 29.93inHg at 4 PM with an avg 29.97inHg.
Hamilton, PA Weather – 9-2 – Sunny
86° / 69°

Weather Tomorrow

Sunny
In Hamilton, it will be sunny with highs near 86°F and lows around 69°F. Rainfall predicted to have a 71% chance with an estimated 0.17in. Winds will be light at 10mph and gusts of 22.6mph at 11 PM. High humidity with average of 81% is anticipated, the maximum being 99% at 7 AM and 48% being its lowest at 4 PM. Barometric pressure is its highest of 30.05inHg at 11 AM, a lowest point of 29.92inHg at 6 PM with an avg 29.99inHg.
Hamilton, PA Weather – 9-3 – Light Rain Shower
85° / 67°
Light Rain Shower
Hamilton may see rain showers, with daytime highs of 85°F and overnight lows near 67°F. The chance of rain is 80% with an estimated 0.23in. Wind will be moderate, blowing around 12mph on average and gusts of 30mph at 3 AM. High humidity with average of 82% is anticipated, the maximum being 99% at 7 AM and 51% being its lowest at 4 PM. Barometric pressure is its highest of 30inHg at 10 AM, a lowest point of 29.86inHg at 6 PM with an avg 29.93inHg.
Hamilton, PA Weather – 9-4 – Fog
73° / 63°
Fog
Fog is in the forecast for Hamilton, with a high of 73°F and a low of 63°F. The chance of rain is 88% with an estimated 0.2in. Winds will be light at 9mph and gusts of 17.5mph at 8 PM. High humidity with average of 90% is anticipated, the maximum being 99% at 7 AM and 69% being its lowest at 6 PM. Barometric pressure is its highest of 29.98inHg at 11 PM, a lowest point of 29.91inHg at 6 PM with an avg 29.95inHg.
Hamilton, PA Weather – 9-5 – Overcast
72° / 58°
Overcast
Skies will be overcast in Hamilton, with a high of 72°F and a low of 58°F. There might be light rainfall having a 13% chance. Winds will be light at 8mph and gusts of 21.5mph at 11 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 98% at 12 AM and 44% being its lowest at 2 PM. Barometric pressure is its highest of 30.11inHg at 11 PM, a lowest point of 29.96inHg at 1 AM with an avg 30.01inHg.
Hamilton, PA Weather – 9-6 – Sunny
71° / 56°
Sunny
Daytime highs will reach 71°F with lows dropping to 56°F in Hamilton, where bright and sunny conditions. There might be light rainfall having a 13% chance. Winds will be light at 9mph and gusts of 20.6mph at 12 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 98% at 5 AM and 45% being its lowest at 5 PM. Barometric pressure is its highest of 30.2inHg at 8 AM, a lowest point of 30.12inHg at 12 AM with an avg 30.16inHg.

Currently

Light Rain 77°F
30.03 inHg.
Barometer
83%
Humidity
WSW 15.1 mph
Wind
Light Rain

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

Hamilton Community Weather Reports

Write your own Hamilton, PA 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 Hamilton, PA 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.