Weather WorldOld Union, TX Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Old Union Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | | | |  |  | |  |  | | |
| Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 59°FHi: 15°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C |
| POP: 50% | POP: 80% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 208 AM CST Thu Nov 12 2026 
Old Union Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Old Union Weather Map
Old Union Quick Facts
Old Union Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 144 AM CST Thu Nov 12 2026
Key Messages
- Pleasant, mostly sunny conditions will continue through Friday along with a slight cooling trend in temperatures.
- Rain chances (70-90%) will return to North and Central TX late Saturday night through Sunday night.
- A stretch of much cooler weather is expected Sunday through the middle of next week with highs in the 50s and 60s.
Aviation
... (06Z TAFS) Issued at 1218 AM CST Thu Nov 12 2026
VFR conditions and northerly winds of 5-10 KT will prevail at all TAF sites through the period.