Winchester, Arkansas Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Winchester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——90°70°—
- MondayJul 6Drizzle20%0.04″95°74°+5°
- TuesdayJul 7Drizzle24%—91°71°-4°
- WednesdayJul 8Heavy Drizzle17%—94°69°+3°
- ThursdayJul 9Overcast——96°73°+2°
- FridayJul 10Overcast——95°76°-1°
- SaturdayJul 11Overcast16%—95°75°0°
AQI 43 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.4 µg/m³ (AQI 52) with a 0.84 fine-to-coarse ratio and 4 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 35. Overcast through the UV peak window (cloud cover ~68%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 9.4 µg/m³ (AQI 52) with a 0.84 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- 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).
When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:47 PM
- Moonset
- 12:23 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Winchester at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: March 10 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 71677
16-Day Forecast — Winchester
- Sun90°70°4%
- Mon95°73°20%
- Tue91°71°24%
- Wed94°69°17%
- Thu96°73°5%
- Fri95°76°8%
- Sat95°75°16%
- Sun95°72°20%
- Mon99°74°20%
- Tue95°76°7%
- Wed98°77°5%
- Thu93°71°18%
- Fri103°73°19%
- Sat100°79°35%
- Sun92°72°27%
- Mon96°72°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Winchester
SPC has placed Winchester 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.
ZIP codes in Winchester
- 71677