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Ithaca, NY Weather Tomorrow

Discover tomorrow's Ithaca weather along with a dependable 5 day forecast highlighting precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Ithaca area and around Tompkins county, New York.
Updated: Fri Sep 18th 2026 10:15 PM EDT
Ithaca, NY Weather – 9-18 – Mist
67° / 55°
Mist
Ithaca is set for mist with temperatures peaking at 67°F and dipping to 55°F. There might be light rainfall having a 15% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 3.6mph at 11 PM. High humidity with average of 81% is anticipated, the maximum being 75% at 11 PM and 75% being its lowest at 11 PM. Barometric pressure is its highest of 30.21inHg at 11 PM, a lowest point of 30.21inHg at 11 PM with an avg 30.21inHg.
Ithaca, NY Weather – 9-19 – Overcast
63° / 46°

Weather Tomorrow

Overcast
Ithaca is set for cloud-filled skies with temperatures peaking at 63°F and dipping to 46°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 7mph and gusts of 13.4mph at 7 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 72% at 7 AM and 43% being its lowest at 3 PM. Barometric pressure is its highest of 30.25inHg at 8 AM, a lowest point of 30.09inHg at 11 PM with an avg 30.18inHg.
Ithaca, NY Weather – 9-20 – Light Rain
60° / 50°
Light Rain
Daytime highs will reach 60°F with lows dropping to 50°F in Ithaca, where periods of rain are likely. The chance of rain is 93% with an estimated 0.7in. Wind will be moderate, blowing around 12mph on average and gusts of 30.2mph at 5 AM. High humidity with average of 93% is anticipated, the maximum being 99% at 7 PM and 58% being its lowest at 12 AM. Barometric pressure is its highest of 30.07inHg at 12 AM, a lowest point of 29.88inHg at 3 PM with an avg 29.97inHg.
Ithaca, NY Weather – 9-21 – Overcast
57° / 43°
Overcast
In Ithaca, it will be overcast with highs near 57°F and lows around 43°F. There's a moderate 30% chance of rainfall with an estimated 0in. Winds will be light at 8mph and gusts of 17.7mph at 12 AM. High humidity with average of 85% is anticipated, the maximum being 99% at 7 AM and 59% being its lowest at 4 PM. Barometric pressure is its highest of 30.23inHg at 9 PM, a lowest point of 30.08inHg at 12 AM with an avg 30.18inHg.
Ithaca, NY Weather – 9-22 – Light Drizzle
52° / 47°
Light Drizzle
Ithaca may see light Drizzle, with daytime highs of 52°F and overnight lows near 47°F. The chance of rain is 90% with an estimated 0.24in. Winds will be light at 6mph and gusts of 22.2mph at 11 AM. High humidity with average of 90% is anticipated, the maximum being 97% at 7 PM and 77% being its lowest at 5 AM. Barometric pressure is its highest of 30.4inHg at 9 PM, a lowest point of 30.23inHg at 12 AM with an avg 30.32inHg.
Ithaca, NY Weather – 9-23 – Scattered Showers
53° / 45°
Scattered Showers
Highs will reach 53°F with lows near 45°F in Ithaca, where scattered showers are. Rainfall predicted to have a 58% chance with an estimated 0.02in. Wind will be moderate, blowing around 11mph on average and gusts of 19.2mph at 5 PM. High humidity with average of 86% is anticipated, the maximum being 96% at 2 AM and 64% being its lowest at 11 AM. Barometric pressure is its highest of 30.45inHg at 7 AM, a lowest point of 30.37inHg at 11 PM with an avg 30.42inHg.

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