Arthur, Indiana Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Arthur weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast25%—89°69°—
- SundayJul 5Thunderstorm25%0.22″85°72°-4°
- MondayJul 6Light Drizzle25%—88°71°+3°
- TuesdayJul 7Overcast11%—85°67°-3°
- WednesdayJul 8Clear12%—86°65°+1°
- ThursdayJul 9Thunderstorm24%—87°69°+1°
- FridayJul 10Thunderstorm48%0.15″84°72°-3°
AQI 50 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 10.8 µg/m³ (AQI 54) with a 0.90 fine-to-coarse ratio and 5 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 47 now. With UV 5.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 32 around 1 PM.
- Present
- AQI 47
- UV peak
- 5.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 32
PM × Wind × Precip
PM2.5 at 10.8 µg/m³ (AQI 54) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- light
- 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
- 11:41 PM
- Moonset
- 10:57 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Arthur at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Arthur
- Sat89°69°25%
- Sun85°72°25%
- Mon88°71°25%
- Tue85°67°11%
- Wed86°65°12%
- Thu87°69°24%
- Fri84°72°48%
- Sat87°72°35%
- Sun77°64°19%
- Mon74°57°8%
- Tue78°60°11%
- Wed83°63°12%
- Thu85°66°19%
- Fri83°69°29%
- Sat84°70°29%
- Sun83°72°42%
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 — Arthur
SPC has placed Arthur in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Arthur
- 47598