Castleton Four Corners, Vermont Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Castleton Four Corners weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Showers27%0.10″85°69°—
- SundayJul 5Overcast——81°62°-4°
- MondayJul 6Overcast34%—78°60°-3°
- TuesdayJul 7Overcast34%—80°58°+2°
- WednesdayJul 8Overcast——85°54°+5°
- ThursdayJul 9Overcast41%—89°60°+4°
- FridayJul 10Light Drizzle46%—76°63°-13°
AQI 41 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~89%) — afternoon ozone should stay flat.
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. Overcast through the UV peak window (cloud cover ~89%) — afternoon ozone should stay flat.
- Present
- AQI 47
- UV peak
- 5.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 6.6 µg/m³, PM10 at 7.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 10:52 PM
- Moonset
- 9:51 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Castleton Four Corners at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Castleton Four Corners
- Sat85°69°27%
- Sun81°62°3%
- Mon78°60°34%
- Tue80°58°34%
- Wed85°54°7%
- Thu89°60°41%
- Fri76°63°46%
- Sat83°59°17%
- Sun76°61°33%
- Mon68°58°28%
- Tue78°54°30%
- Wed87°60°35%
- Thu95°67°31%
- Fri85°67°29%
- Sat80°64°30%
- Sun83°54°35%
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 — Castleton Four Corners
SPC includes Castleton Four Corners in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- 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 Castleton Four Corners
- 05735
- 05750