Calvert, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calvert, a city in Robertson County, Texas.
This Afternoon
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 77 in the afternoon. North wind around 0 mph.
7-day forecast for Calvert
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 0 mph | 0% |
| Tonight | 49°F | Mostly Clear then Patchy Fog | 0 mph | 0% |
| Thursday | 82°F | Patchy Fog then Sunny | 0 to 5 mph SSE | 1% |
| Thursday Night | 54°F | Mostly Cloudy | 0 to 10 mph NE | 3% |
| Friday | 74°F | Mostly Sunny | 10 to 15 mph N | 3% |
| Friday Night | 51°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 72°F | Mostly Cloudy | 10 mph NNE | 7% |
| Saturday Night | 48°F | Slight Chance Rain Showers | 5 mph NNE | 18% |
| Sunday | 66°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 15% |
| Sunday Night | 45°F | Slight Chance Rain Showers | 0 to 5 mph N | 15% |
| Monday | 68°F | Mostly Sunny | 0 mph | 10% |
| Monday Night | 45°F | Mostly Clear | 0 mph | 4% |
| Tuesday | 72°F | Mostly Sunny | 0 mph | 6% |
| Tuesday Night | 47°F | Mostly Clear | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Calvert (30.979, -96.672). Updated through the day.
Growing snapshot for Calvert
Last spring frost
Feb 28
First fall frost
Nov 28
Growing season
277 days
Hardiness zone
9a
More local growing data for Calvert: nearby ZIP 77837 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Franklin, Tx (11.3 mi from Calvert). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.