Jamestown, Kansas 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 4Drizzle55%0.06″85°68°—
- SundayJul 5Overcast——90°66°+5°
- MondayJul 6Overcast——94°69°+4°
- TuesdayJul 7Overcast——97°71°+3°
- WednesdayJul 8Overcast41%—102°75°+5°
- ThursdayJul 9Overcast41%—99°73°-3°
- FridayJul 10Light Drizzle29%—99°72°0°
AQI 46 (Good), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 9.6 µg/m³ (AQI 52) with a 0.72 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 30 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 30
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 9.6 µg/m³ (AQI 52) with a 0.72 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.72
- 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
- 11:50 PM
- Moonset
- 11:45 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Jamestown at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 66948
16-Day Forecast — Jamestown
- Sat85°68°55%
- Sun90°66°3%
- Mon94°69°5%
- Tue97°71°1%
- Wed102°75°41%
- Thu99°73°41%
- Fri99°72°29%
- Sat83°67°6%
- Sun87°66°2%
- Mon92°67°1%
- Tue99°69°2%
- Wed104°70°5%
- Thu113°76°11%
- Fri113°81°17%
- Sat115°82°10%
- Sun102°79°15%
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 today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3NONENo severe 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 Jamestown
- 66948