Jamestown, Kentucky Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Jamestown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast12%—87°68°—
- SundayJul 5Overcast32%—88°71°+1°
- MondayJul 6Drizzle37%0.04″83°69°-5°
- TuesdayJul 7Light Drizzle15%—81°66°-2°
- WednesdayJul 8Overcast——85°65°+4°
- ThursdayJul 9Overcast20%—88°65°+3°
- FridayJul 10Drizzle56%0.04″82°71°-6°
AQI 50 (Good), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 11.3 µg/m³ (AQI 55) with a 0.93 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 41 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 41
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 11.3 µg/m³ (AQI 55) with a 0.93 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 10:56 PM
- Moonset
- 10:53 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Jamestown at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: March 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 42629
16-Day Forecast — Jamestown
- Sat87°68°12%
- Sun88°71°32%
- Mon83°69°37%
- Tue81°66°15%
- Wed85°65°9%
- Thu88°65°20%
- Fri82°71°56%
- Sat79°69°48%
- Sun77°65°30%
- Mon82°58°13%
- Tue84°64°12%
- Wed86°65°28%
- Thu78°65°33%
- Fri82°64°34%
- Sat89°69°55%
- Sun91°73°61%
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 — Jamestown
SPC has placed Jamestown 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 Jamestown
- 42629