Rochester, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Rochester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers42%0.10″79°70°—
- SundayJul 5Drizzle—0.04″78°64°-1°
- MondayJul 6Drizzle52%0.06″75°63°-3°
- TuesdayJul 7Heavy Drizzle29%0.01″72°63°-3°
- WednesdayJul 8Light Drizzle11%—77°62°+5°
- ThursdayJul 9Light Drizzle30%0.02″73°65°-4°
- FridayJul 10Light Drizzle46%—78°68°+5°
AQI 43 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 66 — 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 66 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 66
- UV peak
- 1.8 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 66
PM × Wind × Precip
PM2.5 at 8.6 µg/m³, PM10 at 9.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- 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
- 11:09 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Rochester at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 14604, 14605, 14606, 14607, 14608, 14609, 14610, 14611 +17 more
16-Day Forecast — Rochester
- Sat79°70°42%
- Sun78°65°7%
- Mon75°63°52%
- Tue72°63°29%
- Wed77°62°11%
- Thu73°65°30%
- Fri78°68°46%
- Sat76°62°22%
- Sun74°56°19%
- Mon77°57°28%
- Tue77°56°21%
- Wed81°58°39%
- Thu81°65°31%
- Fri86°65°52%
- Sat84°70°35%
- Sun78°66°39%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Rochester
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 — Rochester
SPC includes Rochester in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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.
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
The year in Rochester tops out in July (~72°F) and dips lowest in January (~26°F), with July wettest at 3.6 inches and February driest at 2.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 26° | 2.5″ | 7 |
| February | 27° | 2.1″ | 6 |
| March | 35° | 2.5″ | 6 |
| April | 47° | 3.0″ | 7 |
| May | 59° | 2.9″ | 7 |
| June | 68° | 3.4″ | 7 |
| July | 72° | 3.6″ | 6 |
| August | 71° | 3.3″ | 6 |
| September | 64° | 3.2″ | 7 |
| October | 52° | 3.2″ | 8 |
| November | 42° | 2.8″ | 6 |
| December | 32° | 2.7″ | 8 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Rochester's January averages 26°F and July 72°F — 46°F apart — while precipitation totals roughly 35.1 inches over some 81 days.
Rainfall in Rochester stays even across the calendar: July tops out at 3.6 inches over 6.4 rainy days, and February still logs 2.1 inches across 6.3 — a narrow range for Rochester. That lines Rochester up with places like North Gates, NY, Saint John Fisher College, NY and Rochester Institute of Technology, NY, fed by overlapping storm tracks.
The cool-season window in Rochester starts at late-May, when nights stop freezing — think kale, peas, spinach, and parsnips. In Rochester, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Rochester's frost date. Rochester's window closes around early-October as overnight lows return below freezing. Within Rochester, cold-air pooling chills low spots by 5-10°F, shifting Rochester's local frost dates.
Similar climates: North Gates, NY, Saint John Fisher College, NY, Rochester Institute of Technology, NY, Nazareth College, NY, East Rochester, NY.
Naturalist notes
Late May brings the emergence of ruby-throated hummingbirds as they return from southern wintering grounds to establish territories around Rochester's gardens and woodland edges.
Apple blossoms typically peak in early May across the region, their white and pink flowers signaling the transition from spring's cool nights to warmer growing season temperatures.
Frequently asked
- When does it freeze in Rochester?
- In Rochester, expect the last spring frost near mid-May; Rochester's first autumn frost comes around mid-October.
- What is the rainy season in Rochester?
- July is the wettest month in Rochester, about 3.6 inches on average; the year totals roughly 35 inches.
- What is the warmest month in Rochester?
- The warmest stretch in Rochester comes in July, around 72°F on average.
- What is the coldest month in Rochester?
- On average January is the chilliest month in Rochester, about 26°F.
- When can I start a vegetable garden in Rochester?
- Frost-hardy sowings begin at mid-May in Rochester; warm-season starts follow two weeks on.
- How many rainy days does Rochester get?
- Rochester records around 81 days of measurable precipitation annually.
- What hardiness zone is Rochester?
- Rochester's hardiness zone tracks its winter low; with January near 26°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Rochester?
- Rochester'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 Rochester?
- See this week's day-by-day rain chances for Rochester in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Rochester?
- Current conditions for Rochester and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Rochester forecast updated?
- The Rochester forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Rochester?
- Today's sunrise and sunset times for Rochester 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 Rochester?
- The next few days in Rochester's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Rochester's warm-summer humid continental climate in New York pairs 26°F Januarys with 72°F Julys, 46°F apart across the seasons.
Rochester sees close to 35 inches of precipitation annually, falling across some 81 wet days.
The 46°F gap between Rochester's summer and winter, at 43.2°N, shapes Rochester's frost calendar.
ZIP codes in Rochester
- 14608
- 14609
- 14606
- 14607
- 14604
- 14605
- 14627
- 14620
- 14621
- 14619
- 14615
- 14614
- 14617
- 14611
- 14610
- 14613
- 14612
- 14642
- 14602
- 14603
- 14638
- 14639
- 14643
- 14644
- 14646
- 14647
- 14649
- 14650
- 14651
- 14653