Spartanburg, South Carolina Weather
Dusk arrives one minute earlier each night. Day 43 of summer. Read this microseason across nine climate regions →
Spartanburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Showers44%2.6″80°72°—
- MondayAug 3Rain14%0.14″88°68°+8°
- TuesdayAug 4Light Showers75%—88°71°0°
- WednesdayAug 5Light Showers62%—90°69°+2°
- ThursdayAug 6Heavy Drizzle36%—93°71°+3°
- FridayAug 7Light Showers40%—96°71°+3°
- SaturdayAug 8Drizzle40%—97°71°+1°
AQI 57 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.
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 35. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 2.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
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).








































Red sky at night, sailor's delight.
- Moonrise
- 10:09 PM
- Moonset
- 10:30 AM
- In sign
- ♓︎ Pisces
Dusk arrives one minute earlier each night
Spartanburg at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: March 17 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 29301, 29302, 29303, 29306, 29307
16-Day Forecast — Spartanburg
- Sun80°72°44%
- Mon88°68°14%
- Tue88°71°75%
- Wed90°69°62%
- Thu93°71°36%
- Fri96°71°40%
- Sat97°71°40%
- Sun96°71°34%
- Mon97°71°30%
- Tue98°71°24%
- Wed97°72°27%
- Thu98°72°24%
- Fri97°73°37%
- Sat98°75°52%
- Sun95°75°34%
- Mon95°73°41%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Spartanburg
Right now in the garden
Peak growing season
As of August 2, 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 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.
Sun & seasons in Spartanburg
Spartanburg sits in Spartanburg County, where the year’s longest day runs 14h 30m of daylight and its shortest just 9h 48m — a swing of +4h 42m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Charleston, the state’s largest city, lies about 185 miles to the SE. The nearest town Spartanburg tracks is Mauldin, roughly 24 miles to the WSW.
Air quality in Spartanburg’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 45). See the full air-quality history for Spartanburg.
Microseason · August 1–5
Dusk arrives one minute earlier each night
Sunset slides back toward 8 PM; darkness creeps in, signaling summer's decline though heat persists.
Day 214 of 365 · Wedge 43 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