Callaway, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Callaway, a community in St. Mary's County, Maryland.
This Afternoon
70°F
Mostly Sunny
Mostly sunny, with a high near 70. Southeast wind around 6 mph.
7-day forecast for Callaway
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Mostly Sunny | 6 mph SE | 1% |
| Tonight | 53°F | Mostly Clear then Patchy Fog | 5 mph S | 2% |
| Wednesday | 73°F | Patchy Fog then Mostly Sunny | 2 to 8 mph S | 2% |
| Wednesday Night | 61°F | Mostly Cloudy | 7 mph S | 1% |
| Thursday | 75°F | Slight Chance Light Rain | 8 mph S | 18% |
| Thursday Night | 63°F | Light Rain | 5 mph S | 84% |
| Friday | 70°F | Rain | 6 mph SE | 93% |
| Friday Night | 53°F | Rain | 5 mph SW | 87% |
| Saturday | 66°F | Mostly Sunny | 5 to 8 mph NW | 5% |
| Saturday Night | 43°F | Partly Cloudy | 6 mph NW | 5% |
| Sunday | 61°F | Mostly Sunny | 3 to 7 mph NW | 6% |
| Sunday Night | 43°F | Partly Cloudy then Slight Chance Light Rain | 2 to 6 mph W | 17% |
| Monday | 61°F | Slight Chance Light Rain then Sunny | 6 to 10 mph W | 17% |
| Monday Night | 41°F | Mostly Clear | 6 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov) for Callaway (38.234, -76.529). Updated through the day.
Growing snapshot for Callaway
Last spring frost
Mar 22
First fall frost
Nov 26
Growing season
248 days
Hardiness zone
8a
More local growing data for Callaway: nearby ZIP 20620 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
California
Leonardtown
Lexington Park
Mechanicsville
Piney Point
St. George Island
Tall Timbers
Wildewood
Climate data from the nearest NOAA station, Solomons, Md (7.1 mi from Callaway). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.