Watervliet, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Watervliet weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle28%—86°72°—
- SundayJul 5Overcast10%—84°67°-2°
- MondayJul 6Rain60%1.6″73°62°-11°
- TuesdayJul 7Showers63%0.83″64°61°-9°
- WednesdayJul 8Light Drizzle19%—78°61°+14°
- ThursdayJul 9Light Drizzle28%0.01″83°64°+5°
- FridayJul 10Light Drizzle59%—80°66°-3°
AQI 54 (Moderate), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise). Ozone at AQI 48 — 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 48 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 48
- UV peak
- 2.3 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 5.8 µg/m³, PM10 at 6.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- 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
Watervliet at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 12189
16-Day Forecast — Watervliet
- Sat86°72°28%
- Sun84°70°10%
- Mon73°62°60%
- Tue64°61°63%
- Wed78°61°19%
- Thu83°64°28%
- Fri80°66°59%
- Sat75°68°34%
- Sun73°61°24%
- Mon78°58°29%
- Tue77°62°32%
- Wed83°57°35%
- Thu83°63°69%
- Fri93°64°45%
- Sat93°67°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 — Watervliet
SPC has placed Watervliet 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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Watervliet peaks at about 72°F in July and bottoms near 23°F in January; May brings the heaviest rain (4.1 inches) and February the least (2.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 23° | 3.2″ | 17 |
| February | 25° | 2.8″ | 16 |
| March | 34° | 3.5″ | 19 |
| April | 47° | 4.0″ | 19 |
| May | 57° | 4.1″ | 19 |
| June | 66° | 4.1″ | 18 |
| July | 72° | 3.7″ | 18 |
| August | 71° | 3.9″ | 18 |
| September | 64° | 3.5″ | 16 |
| October | 53° | 3.7″ | 16 |
| November | 38° | 4.1″ | 17 |
| December | 28° | 3.8″ | 18 |
Regional context
Watervliet's climate, from NOAA NCEI 1991-2020 station normals, pairs 23°F Januarys with 72°F Julys — a 49°F swing. About 44.3 inches of precipitation falls over roughly 210 days a year.
Rainfall in Watervliet stays even across the calendar: May tops out at 4.1 inches over 18.5 rainy days, and February still logs 2.8 inches across 16.5 — a narrow range for Watervliet. That even rhythm groups Watervliet with places like Green Island, NY, Troy, NY and Siena College, NY.
The cool-season window in Watervliet starts at late-May, when nights stop freezing — think kale, peas, spinach, and parsnips. Hold Watervliet's tender crops — tomatoes, peppers, basil — until 10-14 days past Watervliet's last frost. It shuts near early-October, when freezes return to Watervliet and tender plants need cover. Within Watervliet, cold-air pooling chills low spots by 5-10°F, shifting Watervliet's local frost dates.
Similar climates: Green Island, NY, Troy, NY, Siena College, NY, Menands, NY, Latham, NY.
Frequently asked
- When does it freeze in Watervliet?
- Watervliet's last spring frost lands near mid-May, and in Watervliet the first fall frost follows around mid-October.
- What is the rainy season in Watervliet?
- Rainfall in Watervliet peaks in May near 4.1 inches, out of about 44 inches annually.
- What is the warmest month in Watervliet?
- The warmest stretch in Watervliet comes in July, around 72°F on average.
- What is the coldest month in Watervliet?
- On average January is the chilliest month in Watervliet, about 23°F.
- When can I start a vegetable garden in Watervliet?
- Time tomatoes in Watervliet for two weeks after mid-May; peas and greens start at Watervliet's frost line.
- How many rainy days does Watervliet get?
- Watervliet records around 210 days of measurable precipitation annually.
- What hardiness zone is Watervliet?
- Watervliet sits in the USDA zone set by January lows near 23°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Watervliet?
- Watervliet's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Watervliet?
- See this week's day-by-day rain chances for Watervliet in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Watervliet?
- Current conditions for Watervliet and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Watervliet forecast updated?
- The Watervliet forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Watervliet?
- Today's sunrise and sunset times for Watervliet are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Watervliet?
- The next few days in Watervliet's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Watervliet, New York has a warm-summer humid continental climate: January averages roughly 23°F, July about 72°F, 49°F between them.
Yearly precipitation in Watervliet totals around 44 inches, spread over about 210 days of rain or snow.
At 42.7°N, Watervliet's 49°F summer-to-winter swing sets when Watervliet's gardens wake and when frost returns.
ZIP codes in Watervliet
- 12189