Riverview, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Riverview weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast19%—98°74°—
- MondayJul 6Drizzle50%—95°73°-3°
- TuesdayJul 7Drizzle50%—96°72°+1°
- WednesdayJul 8Overcast26%—98°74°+2°
- ThursdayJul 9Overcast11%—99°74°+1°
- FridayJul 10Overcast17%—99°75°0°
- SaturdayJul 11Overcast42%—89°73°-10°
AQI 45 (Good), driven by PM2.5. AQI down 24 over the last 6 hours — air quality is improving sharply. PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.88 fine-to-coarse ratio and 3 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 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 13 around 1 PM.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.88 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- 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
Riverview 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.
15-Day Forecast — Riverview
- Sun99°74°19%
- Mon95°73°50%
- Tue96°72°50%
- Wed98°74°26%
- Thu99°74°11%
- Fri99°75°17%
- Sat89°73°42%
- Sun84°70°36%
- Mon80°70°27%
- Tue93°65°12%
- Wed98°72°22%
- Thu97°72°36%
- Fri97°70°45%
- Sat94°72°32%
- Sun101°73°49%
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 — Riverview
SPC has placed Riverview 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
July is Riverview's warmest stretch (~80°F) and January its coldest (~41°F); precipitation crests in August at 5.0 inches and ebbs in October to 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, Riverview sees 41°F Januarys and 80°F Julys, a 39°F range, plus around 45 inches of precipitation across 180 days.
Rainfall in Riverview 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 Riverview. That lines Riverview up with places like Baxter Village, SC, Tega Cay, SC and Fort Mill, SC, fed by overlapping storm tracks.
The cool-season window in Riverview starts at mid-March, when nights stop freezing — think peas, lettuce, spinach, and radishes. Warm-soil crops in Riverview wait about two weeks past Riverview's last frost, once the soil warms. Riverview's window closes around mid-December as overnight lows return below freezing. Within Riverview, cold-air pooling chills low spots by 5-10°F, shifting Riverview's local frost dates.
Similar climates: Baxter Village, SC, Tega Cay, SC, Fort Mill, SC, India Hook, SC, Rock Hill, SC.
Frequently asked
- When does it freeze in Riverview?
- Riverview's last spring frost lands near mid-March, and in Riverview the first fall frost follows around mid-December.
- What is the rainy season in Riverview?
- Riverview sees its heaviest rain in August (around 5.0 inches), part of roughly 45 inches a year.
- What is the warmest month in Riverview?
- On average July tops the year in Riverview at about 80°F.
- What is the coldest month in Riverview?
- The coldest stretch in Riverview falls in January, around 41°F on average.
- When can I start a vegetable garden in Riverview?
- Hardy spring crops go in near mid-March in Riverview; tender peppers and squash wait 10–14 days.
- How many rainy days does Riverview get?
- Riverview records around 180 days of measurable precipitation annually.
- What hardiness zone is Riverview?
- Since January in Riverview averages 41°F, Riverview's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Riverview?
- Riverview'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 Riverview?
- See this week's day-by-day rain chances for Riverview in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Riverview?
- Current conditions for Riverview and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Riverview forecast updated?
- The Riverview forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Riverview?
- Today's sunrise and sunset times for Riverview 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 Riverview?
- The next few days in Riverview's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Riverview, South Carolina, the humid subtropical climate runs from about 41°F in January to 80°F in July, a 39°F seasonal range.
Yearly precipitation in Riverview totals around 45 inches, spread over about 180 days of rain or snow.
Riverview's 39°F range, set by its 35.0°N position, drives frost timing and what thrives in Riverview.
ZIP codes in Riverview
- 29708