Weather WorldKnox Lake, TX Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Knox Lake Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  |  | |  | | | | | | |
| Partly Cloudy | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Clear | Chance of T-Storm | Mostly Clear | Clearing | Partly Cloudy | Clearing | Mostly Clear | Clearing |
| Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 409 PM CDT Thu Sep 10 2026 
Knox Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Knox Lake Weather Map
Knox Lake Quick Facts
Knox Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 626 PM CDT Thu Sep 10 2026
Key Messages
Updated at 616 PM CDT Thu Sep 10 2026- Low rain chances today and Friday for the Coastal Plains into the Hill Country and southern Edwards Plateau.
- Temperatures remaining above normal into next week with concerns for maximum temperatures and peak heat index values near Heat Advisory levels this weekend.
- The forecast trends drier through the weekend with very low rain chances confined to the Coastal Plains.
Aviation
... (00Z TAFS) Issued at 616 PM CDT Thu Sep 10 2026
VFR flight conditions...