Spartanburg, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Spartanburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast21%—97°73°—
- MondayJul 6Drizzle56%0.02″93°73°-4°
- TuesdayJul 7Drizzle27%—96°72°+3°
- WednesdayJul 8Light Drizzle17%—99°71°+3°
- ThursdayJul 9Light Drizzle10%—100°71°+1°
- FridayJul 10Overcast14%—102°77°+2°
- SaturdayJul 11Light Drizzle38%—100°75°-2°
AQI 63 (Moderate), driven by PM2.5. AQI down 16 over the last 6 hours — air quality is improving sharply. PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.88 fine-to-coarse ratio and 5 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
Ozone × UV × Sky
Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~70%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.88 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- Wind
- light
- 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
- 11:42 PM
- Moonset
- 11:40 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Spartanburg at a glance
- Today vs. normal: 78°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: 29301, 29302, 29303, 29306, 29307
15-Day Forecast — Spartanburg
- Sun97°73°21%
- Mon93°73°56%
- Tue96°72°27%
- Wed99°71°17%
- Thu100°71°10%
- Fri102°77°14%
- Sat100°75°38%
- Sun99°74°40%
- Mon96°72°24%
- Tue96°69°14%
- Wed99°70°20%
- Thu93°69°32%
- Fri76°70°39%
- Sat89°69°29%
- Sun93°70°42%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Spartanburg
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 — Spartanburg
SPC has placed Spartanburg in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- 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
Spartanburg peaks at about 79°F in July and bottoms near 39°F in January; March brings the heaviest rain (4.7 inches) and October the least (2.3 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 39° | 4.1″ | 14 |
| February | 43° | 3.9″ | 12 |
| March | 50° | 4.7″ | 16 |
| April | 59° | 3.6″ | 15 |
| May | 68° | 3.1″ | 16 |
| June | 76° | 3.5″ | 17 |
| July | 79° | 3.8″ | 22 |
| August | 77° | 4.4″ | 23 |
| September | 72° | 3.9″ | 14 |
| October | 62° | 2.3″ | 10 |
| November | 50° | 3.6″ | 11 |
| December | 42° | 4.6″ | 14 |
Regional context
Spartanburg's climate, from NOAA NCEI 1991-2020 station normals, pairs 39°F Januarys with 79°F Julys — a 39°F swing. About 45.5 inches of precipitation falls over roughly 185 days a year.
Rainfall in Spartanburg stays even across the calendar: March tops out at 4.7 inches over 16.3 rainy days, and October still logs 2.3 inches across 10.1 — a narrow range for Spartanburg. That even rhythm groups Spartanburg with places like Arkwright, SC, Drayton, SC and Whitney, SC.
The cool-season window in Spartanburg starts at mid-March, when nights stop freezing — think peas, lettuce, spinach, and radishes. Hold Spartanburg's tender crops — tomatoes, peppers, basil — until 10-14 days past Spartanburg's last frost. It shuts near mid-December, when freezes return to Spartanburg and tender plants need cover. In Spartanburg, low spots run 4-7°F colder than nearby slopes, nudging Spartanburg's frost dates a week.
Similar climates: Arkwright, SC, Drayton, SC, Whitney, SC, Ben Avon, SC, Hilltop, SC.
Naturalist notes
Late March brings the return of Ruby-throated Hummingbirds to Spartanburg's gardens and woodlands.
Dogwood trees typically reach full bloom across the area during early April.
Frequently asked
- When does it freeze in Spartanburg?
- Spartanburg's last spring frost lands near mid-March, and in Spartanburg the first fall frost follows around mid-December.
- What is the rainy season in Spartanburg?
- Rainfall in Spartanburg peaks in March near 4.7 inches, out of about 46 inches annually.
- What is the warmest month in Spartanburg?
- Spartanburg peaks in July, when the mean runs near 79°F.
- What is the coldest month in Spartanburg?
- January is Spartanburg's coldest month, averaging about 39°F.
- When can I start a vegetable garden in Spartanburg?
- In Spartanburg, sow peas and hardy greens around mid-March; Spartanburg's tomatoes and peppers wait two weeks more.
- How many rainy days does Spartanburg get?
- Spartanburg averages about 185 days with measurable rain or snow each year.
- What hardiness zone is Spartanburg?
- With January around 39°F, Spartanburg's zone reflects that minimum — the USDA ZIP map confirms Spartanburg's band.
- What is the 10-day forecast for Spartanburg?
- Spartanburg'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 Spartanburg?
- See this week's day-by-day rain chances for Spartanburg in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Spartanburg?
- Current conditions for Spartanburg and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Spartanburg forecast updated?
- The Spartanburg forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Spartanburg?
- Today's sunrise and sunset times for Spartanburg 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 Spartanburg?
- The next few days in Spartanburg's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Spartanburg, South Carolina, the humid subtropical climate runs from about 39°F in January to 79°F in July, a 40°F seasonal range.
Spartanburg sees close to 46 inches of precipitation annually, falling across some 185 wet days.
From 34.9°N, Spartanburg sees a 40°F seasonal swing that governs Spartanburg's planting and frost windows.
ZIP codes in Spartanburg
- 29302
- 29301
- 29307
- 29306
- 29304
- 29319