Brentford, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Brentford weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain21%0.23″87°61°—
- SundayJul 5Clear——88°64°+1°
- MondayJul 6Heavy Showers50%0.61″98°66°+10°
- TuesdayJul 7Heavy Showers63%1.8″92°66°-6°
- WednesdayJul 8Light Showers74%0.01″80°64°-12°
- ThursdayJul 9Heavy Drizzle15%0.22″73°61°-7°
- FridayJul 10Partly Cloudy20%—74°60°+1°
AQI 54 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 48 now. With UV 6.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 40 around 1 PM.
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 48 now. With UV 6.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 40 around 1 PM.
- Present
- AQI 48
- UV peak
- 6.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 40
PM × Wind × Precip
PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.81 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- 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
- 11:37 PM
- Moonset
- 10:34 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Brentford at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: May 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57429
16-Day Forecast — Brentford
- Sat87°61°21%
- Sun88°64°1%
- Mon98°66°50%
- Tue92°66°63%
- Wed80°64°74%
- Thu73°61°15%
- Fri74°60°20%
- Sat80°56°20%
- Sun85°59°10%
- Mon88°63°7%
- Tue93°65°9%
- Wed97°68°12%
- Thu90°73°14%
- Fri81°64°20%
- Sat82°61°14%
- Sun86°58°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Brentford
SPC has placed Brentford in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
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.
ZIP codes in Brentford
- 57429