Castleton-on-Hudson, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Castleton-on-Hudson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle25%—88°70°—
- SundayJul 5Overcast14%—87°67°-1°
- MondayJul 6Rain64%2.0″75°62°-12°
- TuesdayJul 7Rain68%1.1″64°60°-11°
- WednesdayJul 8Light Drizzle20%—80°60°+16°
- ThursdayJul 9Light Drizzle25%0.01″84°63°+4°
- FridayJul 10Light Drizzle56%0.01″80°64°-4°
AQI 61 (Moderate), driven by Ozone. AQI up 21 in the last 6 hours — air quality is degrading. Ozone at AQI 50 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 50 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 3.0 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 5.1 µg/m³, PM10 at 6.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.85
- Wind
- breezy
- 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
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Castleton-on-Hudson at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Castleton-on-Hudson
- Sat89°70°25%
- Sun87°68°14%
- Mon75°62°64%
- Tue64°60°68%
- Wed80°60°20%
- Thu84°63°25%
- Fri80°64°56%
- Sat74°67°32%
- Sun75°61°26%
- Mon79°58°28%
- Tue77°61°31%
- Wed85°56°35%
- Thu82°61°69%
- Fri92°63°45%
- Sat91°65°48%
- Sun79°69°47%
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-on-Hudson
SPC has placed Castleton-on-Hudson in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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-on-Hudson
- 12033