Harman US

Monarch Mill, SC Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Monarch Mill, a community in Union County, South Carolina.

This Afternoon
75°F
Mostly Sunny
Mostly sunny, with a high near 75. East northeast wind around 2 mph.

7-day forecast for Monarch Mill

WhenTempForecastWindPrecip
This Afternoon 75°F Mostly Sunny 2 mph ENE 0%
Tonight 56°F Partly Cloudy 2 mph ENE 2%
Wednesday 76°F Mostly Cloudy 2 to 7 mph ESE 12%
Wednesday Night 63°F Showers And Thunderstorms Likely 3 mph SSE 57%
Thursday 76°F Chance Showers And Thunderstorms 1 to 5 mph SSW 53%
Thursday Night 60°F Chance Showers And Thunderstorms 1 mph SW 49%
Friday 76°F Chance Showers And Thunderstorms 1 to 5 mph WSW 46%
Friday Night 51°F Mostly Clear 2 mph NW 8%
Saturday 72°F Sunny 3 mph N 5%
Saturday Night 45°F Partly Cloudy 2 mph N 2%
Sunday 68°F Mostly Sunny 2 mph NNW 5%
Sunday Night 43°F Mostly Clear 2 mph NNW 12%
Monday 67°F Sunny 5 mph WNW 12%
Monday Night 40°F Mostly Clear 2 mph WNW 2%

Forecast source: National Weather Service (api.weather.gov) for Monarch Mill (34.716, -81.585). Updated through the day.

Growing snapshot for Monarch Mill

Last spring frost
Apr 4
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
8a

More local growing data for Monarch Mill: nearby ZIP 29379 weather · frost dates · planting calendar · South Carolina frost dates

Nearby towns & communities

All South Carolina locations ›

Climate data from the nearest NOAA station, Santuck, Sc (5.9 mi from Monarch Mill). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.