Grayson County, TX Weather Forecast for 5-Days

Updated: Sat Jun 13th 2026 11:00 PM CDT

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Grayson County, TX Weather – 6-13 – Sunny
97° / 74°
Sunny
Grayson County, TX Weather – 6-14 – Heavy Rain
84° / 68°

Weather Tomorrow

Heavy Rain
Grayson County is set for rain with temperatures peaking at 84°F and dipping to 68°F. The chance of rain is 82% with an estimated 2in. Wind will be moderate, blowing around 17mph on average and gusts of 26.7mph at 2 AM. High humidity with average of 83% is anticipated, the maximum being 95% at 6 AM and 67% being its lowest at 3 PM. Barometric pressure is its highest of 30inHg at 11 PM, a lowest point of 29.85inHg at 2 AM with an avg 29.94inHg.
Grayson County, TX Weather – 6-15 – Scattered Showers
71° / 65°
Scattered Showers
Grayson County is set for scattered showers with temperatures peaking at 71°F and dipping to 65°F. The chance of rain is 80% with an estimated 0.1in. Wind will be moderate, blowing around 12mph on average and gusts of 17.4mph at 12 AM. High humidity with average of 88% is anticipated, the maximum being 94% at 9 PM and 80% being its lowest at 3 PM. Barometric pressure is its highest of 30.01inHg at 12 AM, a lowest point of 29.91inHg at 7 PM with an avg 29.98inHg.
Grayson County, TX Weather – 6-16 – Partly Cloudy
88° / 66°
Partly Cloudy
In Grayson County, it will be cloudy with highs near 88°F and lows around 66°F. There might be light rainfall having a 11% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 23.9mph at 11 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 93% at 7 AM and 53% being its lowest at 5 PM. Barometric pressure is its highest of 29.93inHg at 1 AM, a lowest point of 29.64inHg at 7 PM with an avg 29.8inHg.
Grayson County, TX Weather – 6-17 – Partly Cloudy
89° / 73°
Partly Cloudy
Daytime highs will reach 89°F with lows dropping to 73°F in Grayson County, where it will be cloudy. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be strong at speeds peaking at 25mph and gusts of 31.7mph at 7 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 88% at 7 AM and 55% being its lowest at 3 PM. Barometric pressure is its highest of 29.69inHg at 1 AM, a lowest point of 29.53inHg at 6 PM with an avg 29.63inHg.
Grayson County, TX Weather – 6-18 – Scattered Showers
90° / 72°
Scattered Showers
In Grayson County, showers likely at times with highs near 90°F and lows around 72°F. Rainfall predicted to have a 68% chance with an estimated 0.06in. Wind will be moderate, blowing around 20mph on average and gusts of 31.1mph at 11 PM. High humidity with average of 82% is anticipated, the maximum being 96% at 11 PM and 66% being its lowest at 3 PM. Barometric pressure is its highest of 29.76inHg at 11 PM, a lowest point of 29.54inHg at 3 AM with an avg 29.61inHg.

Currently

Clear 81°F
29.89 inHg.
Barometer
75%
Humidity
S 14.4 mph
Wind
Clear

5 Day Forecast Nearby

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