Jamestown, Tennessee Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Jamestown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——71°57°—
- TuesdayJun 16Overcast——76°58°+5°
- WednesdayJun 17Thunderstorm——85°62°+9°
- ThursdayJun 18Thunderstorm78%0.25″74°65°-11°
- FridayJun 19Light Drizzle75%0.02″76°58°+2°
- SaturdayJun 20Overcast12%—79°55°+3°
- SundayJun 21Thunderstorm29%—85°57°+6°
AQI 26 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 38 now. With UV 7.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 7.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
- Present
- AQI 38
- UV peak
- 7.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 38
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:26 AM
- Moonset
- 8:11 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Jamestown at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: March 26 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Jamestown
- Mon71°57°1%
- Tue76°58°6%
- Wed85°62°6%
- Thu74°65°78%
- Fri76°58°75%
- Sat79°55°12%
- Sun85°57°29%
- Mon71°63°52%
- Tue79°57°50%
- Wed84°58°23%
- Thu82°61°20%
- Fri83°64°33%
- Sat87°66°35%
- Sun88°67°50%
- Mon89°69°48%
- Tue88°67°49%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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
- 38556