Fort Mill, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Fort Mill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast30%—96°75°—
- MondayJul 6Light Showers40%0.08″97°75°+1°
- TuesdayJul 7Overcast40%—96°72°-1°
- WednesdayJul 8Drizzle20%—96°72°0°
- ThursdayJul 9Light Drizzle11%—98°71°+2°
- FridayJul 10Mostly Clear16%—104°76°+6°
- SaturdayJul 11Light Drizzle42%—100°76°-4°
AQI 46 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.8 µg/m³ (AQI 52) with a 0.90 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 9.8 µg/m³ (AQI 52) with a 0.90 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:38 PM
- Moonset
- 11:36 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Fort Mill at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: March 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 29707, 29708, 29715
15-Day Forecast — Fort Mill
- Sun96°75°30%
- Mon97°75°40%
- Tue96°72°40%
- Wed96°72°20%
- Thu98°71°11%
- Fri104°76°16%
- Sat100°76°42%
- Sun99°74°41%
- Mon91°72°28%
- Tue91°65°15%
- Wed97°71°12%
- Thu92°70°41%
- Fri79°70°41%
- Sat87°69°52%
- Sun91°70°36%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Fort Mill
SPC has placed Fort Mill in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
Fort Mill's warmest month is July (~80°F mean) and its coldest is January (~41°F). Rainfall peaks in August (5.0 inches) and bottoms out in October (2.3 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 41° | 4.2″ | 14 |
| February | 45° | 3.8″ | 12 |
| March | 52° | 4.1″ | 15 |
| April | 61° | 3.3″ | 14 |
| May | 69° | 3.2″ | 15 |
| June | 77° | 3.6″ | 18 |
| July | 80° | 4.4″ | 22 |
| August | 79° | 5.0″ | 23 |
| September | 73° | 3.3″ | 14 |
| October | 63° | 2.3″ | 10 |
| November | 52° | 3.4″ | 12 |
| December | 44° | 4.3″ | 13 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Fort Mill sees 41°F Januarys and 80°F Julys, a 39°F range, plus around 45 inches of precipitation across 180 days.
Rainfall in Fort Mill stays even across the calendar: August tops out at 5.0 inches over 23.2 rainy days, and October still logs 2.3 inches across 9.9 — a narrow range for Fort Mill. It is a balanced pattern Fort Mill shares with places like Riverview, SC, Baxter Village, SC and Tega Cay, SC.
By mid-March the frosts ease in Fort Mill, opening the season for peas, lettuce, spinach, and radishes. Hold Fort Mill's tender crops — tomatoes, peppers, basil — until 10-14 days past Fort Mill's last frost. Around mid-December, freezing nights resume in Fort Mill and tender crops must come in. In Fort Mill, low spots run 4-7°F colder than nearby slopes, nudging Fort Mill's frost dates a week.
Similar climates: Riverview, SC, Baxter Village, SC, Tega Cay, SC, India Hook, SC, Rock Hill, SC.
Frequently asked
- When does it freeze in Fort Mill?
- Frost typically leaves Fort Mill by mid-March and returns to Fort Mill near mid-December.
- What is the rainy season in Fort Mill?
- Fort Mill sees its heaviest rain in August (around 5.0 inches), part of roughly 45 inches a year.
- What is the warmest month in Fort Mill?
- Fort Mill peaks in July, when the mean runs near 80°F.
- What is the coldest month in Fort Mill?
- January is Fort Mill's coldest month, averaging about 41°F.
- When can I start a vegetable garden in Fort Mill?
- Around mid-March, start frost-hardy crops in Fort Mill; tomatoes and basil belong a fortnight later.
- How many rainy days does Fort Mill get?
- Expect roughly 180 wet days a year in Fort Mill.
- What hardiness zone is Fort Mill?
- With January around 41°F, Fort Mill's zone reflects that minimum — the USDA ZIP map confirms Fort Mill's band.
- What is the 10-day forecast for Fort Mill?
- Fort Mill's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Fort Mill?
- See this week's day-by-day rain chances for Fort Mill in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Fort Mill?
- Current conditions for Fort Mill and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Fort Mill forecast updated?
- The Fort Mill forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Fort Mill?
- Today's sunrise and sunset times for Fort Mill are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Fort Mill?
- The next few days in Fort Mill's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a humid subtropical zone, Fort Mill, South Carolina swings from 41°F in the heart of winter to 80°F at midsummer — a 39°F arc.
Fort Mill sees close to 45 inches of precipitation annually, falling across some 180 wet days.
Fort Mill's 39°F range, set by its 35.0°N position, drives frost timing and what thrives in Fort Mill.
ZIP codes in Fort Mill
- 29715
- 29716