Seneca Knolls, New York Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Seneca Knolls weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Mostly Clear——79°44°—
- ThursdayJun 4Overcast——83°53°+4°
- FridayJun 5Light Drizzle—0.01″82°55°-1°
- SaturdayJun 6Light Showers77%0.32″78°60°-4°
- SundayJun 7Light Drizzle68%—73°57°-5°
- MondayJun 8Overcast——76°50°+3°
- TuesdayJun 9Partly Cloudy——78°54°+2°
Ozone at AQI 38 — peak already passed at 1 PM under clear skies. AQI up 14 over the last 6 hours (gradual rise). 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 38 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 38
- UV peak
- 0.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 38
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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:07 AM
- Moonset
- 11:49 AM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Seneca Knolls at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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.
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
Seneca Knolls's warmest month is July (~72°F mean) and its coldest is January (~24°F). Rainfall peaks in October (3.9 inches) and bottoms out in February (2.5 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 24° | 2.6″ | 7 |
| February | 26° | 2.5″ | 7 |
| March | 34° | 3.0″ | 8 |
| April | 46° | 3.5″ | 8 |
| May | 58° | 3.4″ | 8 |
| June | 67° | 3.6″ | 7 |
| July | 72° | 3.9″ | 7 |
| August | 70° | 3.7″ | 7 |
| September | 63° | 3.4″ | 6 |
| October | 51° | 3.9″ | 8 |
| November | 41° | 3.2″ | 8 |
| December | 30° | 3.3″ | 8 |
Frequently asked
- When does it freeze in Seneca Knolls?
- Seneca Knolls's last spring frost typically falls around mid-May, and the first fall frost arrives around mid-October.
- What is the rainy season in Seneca Knolls?
- October is the wettest month with about 3.9 inches of rain on average; the city receives roughly 40 inches annually.
- What is the warmest month in Seneca Knolls?
- July is typically warmest, averaging about 72°F.
- What is the coldest month in Seneca Knolls?
- January is typically coldest, averaging about 24°F.
- When can I start a vegetable garden in Seneca Knolls?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-May); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Seneca Knolls get?
- Seneca Knolls averages about 90 rainy days per year.
- What hardiness zone is Seneca Knolls?
- Seneca Knolls's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Seneca Knolls, New York sits in a warm-summer humid continental climate zone. January means hover near 24°F while July averages 72°F — a 48°F seasonal swing.
Across the year, Seneca Knolls receives about 40 inches of precipitation spread over roughly 90 rainy days.
The rhythm of the year is set by latitude (43.1°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.