Knollwood, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Knollwood, a city in Grayson County, Texas.
Today
70°F
Mostly Sunny
Mostly sunny. High near 70, with temperatures falling to around 68 in the afternoon. Northwest wind 0 to 5 mph.
7-day forecast for Knollwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Tonight | 53°F | Partly Cloudy then Patchy Fog | 0 to 5 mph SSE | 0% |
| Thursday | 74°F | Sunny | 5 to 10 mph SSW | 0% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 10 mph N | 7% |
| Friday | 67°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 47°F | Partly Cloudy | 5 mph NNE | 0% |
| Saturday | 64°F | Partly Sunny | 5 mph NNE | 1% |
| Saturday Night | 46°F | Slight Chance Rain Showers | 0 to 5 mph N | 15% |
| Sunday | 65°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Sunday Night | 45°F | Mostly Clear | 0 mph | 0% |
| Monday | 68°F | Sunny | 0 to 5 mph SW | 2% |
| Monday Night | 47°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 72°F | Sunny | 0 to 5 mph S | 2% |
| Tuesday Night | 52°F | Partly Cloudy | 5 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov) for Knollwood (33.689, -96.618). Updated through the day.
Growing snapshot for Knollwood
Last spring frost
Mar 14
First fall frost
Nov 19
Growing season
250 days
Hardiness zone
8a
More local growing data for Knollwood: nearby ZIP 75020 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Bells
Callisburg
Collinsville
Denison
Dorchester
Gunter
Howe
Lake Kiowa
Pottsboro
Sadler
Sherman
Sherwood Shores
Southmayd
Tioga
Tom Bean
Van Alstyne
Whitesboro
Whitewright
Climate data from the nearest NOAA station, Sherman, Tx (5.2 mi from Knollwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.