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Grayson County Weather Forecast
Grayson County, TX Weather Forecast Date: 609 AM CDT Sun Sep 20 2026
Weather forecast for Grayson County, TX
Today Hi: 95°FHi: 35°C Lo: 70°F Lo: 21°C |
Today... Mostly sunny. A 40% chance of showers and thunderstorms this afternoon. Highs in the mid 90s. South winds 5 to 10 mph. |
| Mon Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Monday... Mostly sunny with a 40% chance of showers and thunderstorms. Humid with highs in the lower 90s. East winds around 5 mph, becoming north in the afternoon. |
Tue Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Tuesday... Mostly sunny. Highs around 90. Northeast winds 5 to 10 mph. |
| Wed Hi: 90°FHi: 32°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly sunny. Highs around 90. |
| Thu Hi: 90°FHi: 32°C Lo: 65°F Lo: 18°C |
Thursday... Mostly sunny. Highs around 90. |
Fri Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Friday... Partly sunny. Highs in the upper 80s. |
Sat Hi: 85°FHi: 29°C |
Saturday... Partly sunny. A 20% chance of showers in the morning. Highs in the mid 80s. |
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