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.
Today
82°F
Patchy Fog
A slight chance of showers and thunderstorms before 7am, then patchy fog and a chance of showers and thunderstorms between 7am and 2pm, then showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely. Partly sunny, with a high near 82. Northeast wind 0 to 3 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Monarch Mill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Patchy Fog | 0 to 3 mph NE | 83% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 2 mph NNE | 57% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 0 to 3 mph SSE | 75% |
| Wednesday Night | 68°F | Showers And Thunderstorms Likely | 2 mph SSE | 64% |
| Thursday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 60% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph W | 56% |
| Friday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 3 mph SSW | 33% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 mph W | 35% |
| Saturday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph SSW | 26% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 1 mph W | 26% |
| Sunday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph WSW | 30% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 1 mph WNW | 30% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 3 mph W | 24% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph WNW | 24% |
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
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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 Aug 4, 2026.