Home / Local Weather & Traffic / Texas / Collinsville / Weather Forecast

Collinsville, TX Weather Tomorrow

Explore tomorrow's Collinsville weather before planning your week with a detailed 5 day forecast featuring precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Collinsville area and around Grayson county, Texas.
Updated: Fri Sep 4th 2026 12:15 PM CDT
Collinsville, TX Weather – 9-4 – Sunny
101° / 76°
Sunny
Collinsville could see a sunny day with daytime highs of 101°F and nighttime lows near 76°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 15mph on average and gusts of 23.5mph at 2 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 55% at 11 PM and 32% being its lowest at 4 PM. Barometric pressure is its highest of 29.93inHg at 1 PM, a lowest point of 29.83inHg at 8 PM with an avg 29.87inHg.
Collinsville, TX Weather – 9-5 – Sunny
98° / 78°

Weather Tomorrow

Sunny
Collinsville could see a sunny day with daytime highs of 98°F and nighttime lows near 78°F. There's a very small chance of rainfall, only about 4% with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 22.6mph at 4 PM. Humidity levels should be comfortable, sitting around 49% on average, the maximum being 69% at 7 AM and 29% being its lowest at 2 PM. Barometric pressure is its highest of 29.93inHg at 9 AM, a lowest point of 29.82inHg at 8 PM with an avg 29.88inHg.
Collinsville, TX Weather – 9-6 – Sunny
102° / 78°
Sunny
Collinsville is set for a sunny day with temperatures peaking at 102°F and dipping to 78°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 12mph on average and gusts of 21.7mph at 5 PM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 75% at 7 AM and 22% being its lowest at 4 PM. Barometric pressure is its highest of 29.93inHg at 9 AM, a lowest point of 29.79inHg at 6 PM with an avg 29.86inHg.
Collinsville, TX Weather – 9-7 – Sunny
103° / 80°
Sunny
Highs will reach 103°F with lows near 80°F in Collinsville, where a sunny day is. There's a very small chance of rainfall, only about 2% with an estimated 0in. Wind will be moderate, blowing around 15mph on average and gusts of 22.6mph at 9 PM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 66% at 7 AM and 22% being its lowest at 6 PM. Barometric pressure is its highest of 29.94inHg at 9 AM, a lowest point of 29.8inHg at 5 PM with an avg 29.88inHg.
Collinsville, TX Weather – 9-8 – Sunny
103° / 82°
Sunny
In Collinsville, it will be sunny with highs near 103°F and lows around 82°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 16mph on average and gusts of 27.1mph at 11 PM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 64% at 7 AM and 22% being its lowest at 3 PM. Barometric pressure is its highest of 30.02inHg at 9 AM, a lowest point of 29.9inHg at 5 PM with an avg 29.95inHg.
Collinsville, TX Weather – 9-9 – Sunny
100° / 81°
Sunny
In Collinsville, a sunny day is likely with a high near 100°F and a low around 81°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 14mph on average and gusts of 26mph at 12 AM. Humidity levels should be comfortable, sitting around 41% on average, the maximum being 64% at 7 AM and 24% being its lowest at 4 PM. Barometric pressure is its highest of 30.11inHg at 10 AM, a lowest point of 29.98inHg at 12 AM with an avg 30.05inHg.

Currently

Sunny 96°F
29.95 inHg.
Barometer
52%
Humidity
S 21.6 mph
Wind
Sunny

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

Collinsville Community Weather Reports

Write your own Collinsville, TX 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 Collinsville, TX 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.