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Grants Pass, OR Weather Tomorrow

Everything you need for tomorrow's Grants Pass weather and the next 5 days is here, including 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 Grants Pass area and around Josephine county, Oregon.
Updated: Tue Aug 18th 2026 2:00 AM PDT
Grants Pass, OR Weather – 8-18 – Sunny
90° / 61°
Sunny
Highs will reach 90°F with lows near 61°F in Grants Pass, where sunshine is. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 11mph on average and gusts of 19.5mph at 4 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 64% at 6 AM and 17% being its lowest at 2 PM. Barometric pressure is its highest of 30.11inHg at 7 AM, a lowest point of 29.94inHg at 3 PM with an avg 30.02inHg.
Grants Pass, OR Weather – 8-19 – Sunny
90° / 57°

Weather Tomorrow

Sunny
In Grants Pass, it will be sunny with highs near 90°F and lows around 57°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 9mph and gusts of 13.4mph at 1 PM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 73% at 5 AM and 17% being its lowest at 3 PM. Barometric pressure is its highest of 30.05inHg at 1 AM, a lowest point of 29.86inHg at 4 PM with an avg 29.97inHg.
Grants Pass, OR Weather – 8-20 – Overcast
94° / 59°
Overcast
Overcast is in the forecast for Grants Pass, with a high of 94°F and a low of 59°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 10mph and gusts of 13.4mph at 11 AM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 87% at 6 AM and 17% being its lowest at 5 PM. Barometric pressure is its highest of 29.98inHg at 8 AM, a lowest point of 29.78inHg at 5 PM with an avg 29.91inHg.
Grants Pass, OR Weather – 8-21 – Sunny
89° / 55°
Sunny
It will be sunny in Grants Pass, with a high of 89°F and a low of 55°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 11mph on average and gusts of 14.8mph at 11 PM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 93% at 6 AM and 17% being its lowest at 4 PM. Barometric pressure is its highest of 30.06inHg at 10 PM, a lowest point of 29.86inHg at 5 PM with an avg 29.97inHg.
Grants Pass, OR Weather – 8-22 – Sunny
81° / 50°
Sunny
Grants Pass could see sunshine with daytime highs of 81°F and nighttime lows near 50°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 9mph and gusts of 16.3mph at 2 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 97% at 6 AM and 21% being its lowest at 2 PM. Barometric pressure is its highest of 30.17inHg at 7 AM, a lowest point of 29.96inHg at 5 PM with an avg 30.06inHg.
Grants Pass, OR Weather – 8-23 – Sunny
88° / 53°
Sunny
Grants Pass may see a sunny day, with daytime highs of 88°F and overnight lows near 53°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 10mph and gusts of 18.6mph at 5 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 95% at 5 AM and 20% being its lowest at 3 PM. Barometric pressure is its highest of 30.06inHg at 2 AM, a lowest point of 29.86inHg at 5 PM with an avg 29.98inHg.

Currently

Clear 65°F
30.07 inHg.
Barometer
58%
Humidity
NNE 3.6 mph
Wind
Clear

5 Day Forecast Nearby

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