Watertown, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Watertown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain47%0.14″77°67°—
- SundayJul 5Overcast——81°61°+4°
- MondayJul 6Light Drizzle26%—76°64°-5°
- TuesdayJul 7Light Rain20%0.33″66°61°-10°
- WednesdayJul 8Light Drizzle14%0.01″76°60°+10°
- ThursdayJul 9Light Drizzle36%—75°64°-1°
- FridayJul 10Light Drizzle36%—76°66°+1°
AQI 40 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 3 hours of recent rain — PM2.5 down to 10.9 µg/m³, PM10 to 11.6 µg/m³.
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 43 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 2.1 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 43
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 10.9 µg/m³, PM10 to 11.6 µg/m³.
- PM2.5/PM10
- 0.94
- Wind
- light
- Recent rain
- 3h in last 6h
- Pattern
- washed out
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
- 11:03 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Watertown at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: May 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 13601, 13603
16-Day Forecast — Watertown
- Sat77°68°47%
- Sun81°62°1%
- Mon76°64°26%
- Tue66°61°20%
- Wed76°60°14%
- Thu75°64°36%
- Fri76°66°36%
- Sat76°61°20%
- Sun74°58°17%
- Mon76°55°25%
- Tue73°57°35%
- Wed77°58°35%
- Thu76°65°32%
- Fri80°63°43%
- Sat82°66°31%
- Sun74°64°29%
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 — Watertown
SPC includes Watertown in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
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 Watertown
- 13601