Observed 10:30 PM EDT at KROC

Rochester Institute of Technology, NY weather

Clear and 39°4°.

Forecasts agree

Now 39°4°

Clear

Wind: Calm; Light through 11 AM
Dew point: 36°2°; Comfortable
UV tomorrow: 4Moderate; Moderate 12–4 PM · peak 4
Pressure: 30.47 inHg1032 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

14°8° cooler than this time yesterday (52°11° then, 38°3° now)

Good hours for

Below freezing tonight 5–9 AM (low 32°0°)
Low 32°0° tonight at 5 AM
Above 50°10° tomorrow by 11 AM
High 62°17° tomorrow at 3 PM
Below 50°10° tomorrow night after 8 PM

TonightDown to 32°0° by 5 AM · freezing, low 32°0° · Clear
Tomorrow morningUp to 51°11° by 11 AM · freezing, low 32°0° · Clear
Tomorrow afternoonUp to 62°17° by 3 PM · Clear
Tomorrow nightDown to 37°3° by 5 AM · Clear
Sunday morningUp to 54°12° by 11 AM · Clear
Sunday afternoonUp to 66°19° by 3 PM · Partly cloudy
Sunday nightDown to 46°8° by 10 PM · Mostly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 11p	Partly cloudy	39°4° (likely 38°3° to 41°5°)	39°4°	0%	2 mph3 km/h from SE, gusts 4 mph6 km/h	100%	36%	0
Sat 12a	Partly cloudy	37°3° (likely 37°3° to 40°4°)	37°3°	0%	2 mph3 km/h from SW, gusts 4 mph7 km/h	100%	17%	0
Sat 1a	Clear	36°2° (likely 36°2° to 39°4°)	36°2°	0%	1 mph2 km/h from W, gusts 6 mph9 km/h	100%	5%	0
Sat 2a	Clear	35°2° (likely 35°2° to 38°3°)	35°2°	0%	2 mph3 km/h from S, gusts 6 mph9 km/h	100%	0%	0
Sat 3a	Clear	34°1° (likely 34°1° to 37°3°)	34°1°	0%	2 mph3 km/h from S, gusts 5 mph7 km/h	100%	1%	0
Sat 4a	Clear	33°1° (likely 33°1° to 37°3°)	33°1°	0%	2 mph3 km/h from S, gusts 4 mph7 km/h	100%	5%	0
Sat 5a	Clear	32°0° (likely 32°0° to 36°2°)	32°0°	0%	2 mph3 km/h from S, gusts 4 mph7 km/h	100%	5%	0
Sat 6a	Clear	32°0° (likely 31°−1° to 36°2°)	32°0°	0%	2 mph3 km/h from S, gusts 4 mph6 km/h	100%	5%	0
Sat 7a	Clear	32°0° (likely 31°−1° to 35°2°)	32°0°	0%	2 mph3 km/h from S, gusts 4 mph7 km/h	99%	5%	0
Sat 8a	Sunny	32°0° (likely 31°−1° to 36°2°)	29°−2°	0%	3 mph5 km/h from S, gusts 5 mph8 km/h	99%	5%	0
Sat 9a	Sunny	36°2° (likely 36°2° to 41°5°)	33°1°	0%	3 mph5 km/h from S, gusts 4 mph7 km/h	100%	1%	0
Sat 10a	Sunny	45°7° (likely 45°7° to 47°8°)	44°7°	0%	3 mph5 km/h from S, gusts 5 mph9 km/h	82%	0%	1
Sat 11a	Sunny	51°11° (likely 51°11° to 53°12°)	51°11°	0%	2 mph3 km/h from S, gusts 6 mph10 km/h	69%	0%	2
Sat 12p	Sunny	57°14° (likely 56°13° to 58°14°)	57°14°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	57%	0%	3
Sat 1p	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	51%	0%	4
Sat 2p	Sunny	61°16° (likely 61°16° to 62°17°)	61°16°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	47%	0%	4
Sat 3p	Sunny	62°17° (likely 62°17° to 63°17°)	62°17°	0%	2 mph3 km/h from S, gusts 4 mph7 km/h	47%	0%	3
Sat 4p	Sunny	61°16° (likely 61°16° to 63°17°)	61°16°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	48%	0%	2
Sat 5p	Sunny	60°16° (likely 59°15° to 63°17°)	60°16°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	50%	0%	1
Sat 6p	Clear	57°14° (likely 54°12° to 57°14°)	57°14°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	57%	0%	0
Sat 7p	Clear	51°11° (likely 49°9° to 53°12°)	50°10°	0%	3 mph5 km/h from E, gusts 9 mph14 km/h	72%	0%	0
Sat 8p	Clear	47°8° (likely 47°8° to 50°10°)	46°8°	0%	3 mph5 km/h from E, gusts 9 mph15 km/h	82%	0%	0
Sat 9p	Clear	44°7° (likely 44°7° to 48°9°)	43°6°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	90%	0%	0
Sat 10p	Clear	42°6° (likely 42°6° to 47°8°)	41°5°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	95%	0%	0
Sat 11p	Clear	41°5° (likely 41°5° to 45°7°)	39°4°	0%	3 mph5 km/h from S, gusts 8 mph12 km/h	96%	0%	0
Sun 12a	Clear	40°4° (likely 39°4° to 45°7°)	38°3°	0%	3 mph5 km/h from S, gusts 10 mph17 km/h	97%	0%	0
Sun 1a	Clear	39°4° (likely 39°4° to 44°7°)	36°2°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	96%	0%	0
Sun 2a	Clear	40°4° (likely 39°4° to 44°7°)	36°2°	0%	5 mph8 km/h from S, gusts 13 mph20 km/h	92%	0%	0
Sun 3a	Clear	39°4° (likely 39°4° to 44°7°)	35°2°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	93%	0%	0
Sun 4a	Clear	38°3° (likely 38°3° to 43°6°)	34°1°	0%	6 mph10 km/h from S, gusts 13 mph20 km/h	93%	0%	0
Sun 5a	Clear	37°3° (likely 37°3° to 43°6°)	32°0°	0%	6 mph10 km/h from S, gusts 13 mph21 km/h	96%	0%	0
Sun 6a	Clear	37°3° (likely 37°3° to 42°6°)	32°0°	0%	6 mph10 km/h from S, gusts 13 mph20 km/h	95%	0%	0
Sun 7a	Clear	36°2° (likely 36°2° to 41°5°)	31°−1°	0%	6 mph10 km/h from S, gusts 12 mph20 km/h	97%	0%	0
Sun 8a	Sunny	36°2° (likely 36°2° to 40°4°)	30°−1°	0%	7 mph11 km/h from S, gusts 12 mph19 km/h	97%	0%	0
Sun 9a	Sunny	40°4° (likely 40°4° to 45°7°)	36°2°	0%	7 mph11 km/h from S, gusts 12 mph20 km/h	94%	0%	0
Sun 10a	Sunny	47°8° (likely 47°8° to 51°11°)	44°7°	0%	7 mph11 km/h from S, gusts 16 mph26 km/h	81%	4%	1
Sun 11a	Sunny	54°12° (likely 53°12° to 56°13°)	54°12°	0%	6 mph10 km/h from S, gusts 13 mph21 km/h	66%	0%	2
Sun 12p	Sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	5 mph8 km/h from SW, gusts 12 mph19 km/h	56%	0%	3
Sun 1p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	5 mph8 km/h from SW, gusts 10 mph16 km/h	48%	26%	4
Sun 2p	Sunny	65°18° (likely 62°17° to 66°19°)	65°18°	0%	3 mph5 km/h from SW, gusts 8 mph13 km/h	44%	22%	4
Sun 3p	Mostly sunny	66°19° (likely 62°17° to 67°19°)	66°19°	0%	3 mph5 km/h from SW, gusts 10 mph15 km/h	44%	20%	3
Sun 4p	Mostly sunny	66°19° (likely 62°17° to 67°19°)	66°19°	0%	2 mph3 km/h from SW, gusts 9 mph15 km/h	47%	37%	2
Sun 5p	Mostly sunny	64°18° (likely 61°16° to 66°19°)	64°18°	0%	2 mph3 km/h from W, gusts 7 mph12 km/h	53%	49%	1
Sun 6p	Cloudy	60°16° (likely 57°14° to 60°16°)	60°16°	0%	2 mph3 km/h from SW, gusts 4 mph7 km/h	60%	68%	0
Sun 7p	Cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	0%	2 mph3 km/h from SW, gusts 4 mph6 km/h	71%	72%	0
Sun 8p	Partly cloudy	50°10° (likely 48°9° to 53°12°)	50°10°	0%	2 mph3 km/h from SW, gusts 5 mph7 km/h	82%	78%	0
Sun 9p	Partly cloudy	47°8° (likely 45°7° to 49°9°)	47°8°	0%	2 mph3 km/h from SW, gusts 5 mph8 km/h	88%	89%	0
Sun 10p	Partly cloudy	46°8° (likely 45°7° to 48°9°)	45°7°	0%	3 mph5 km/h from S, gusts 6 mph10 km/h	91%	92%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 23. Fog. High 57°14°, low 32°0°. Typical 58°14° / 41°5°. Dry. Forecasts agree.
1. Overnight
  midnight–6 AM
  Clear, 32°0°
  Dry
Official NWS forecast
Tonight: Partly cloudy, with a low around 32. South wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
56°13°–57°14°
Low, likely
32°0°–40°4°
Typical high / low
58°14° / 41°5°
Wind
10 mph15 km/h, gusts 17 mph27 km/h
UV peak
4
Tomorrow, Oct 24. Sunny. High 62°17°, low 36°2°. Typical 58°14° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Day: Sunny, with a high near 62. South wind around 3 mph.
Night: Clear, with a low around 36. Southeast wind 2 to 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–63°17°
Low, likely
31°−1°–36°2°
Typical high / low
58°14° / 41°5°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
4
Sunday, Oct 25. Cloudy. High 66°19°, low 44°7°. Typical 58°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Official NWS forecast
Day: Sunny, with a high near 66. Southwest wind 2 to 7 mph.
Night: Partly cloudy, with a low around 44. Southwest wind 2 to 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
37°3°–44°7°
Typical high / low
58°14° / 40°4°
Wind
10 mph16 km/h, gusts 20 mph32 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 65°18°, low 38°3°. Typical 57°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 65. West wind 6 to 10 mph.
Night: Mostly cloudy, with a low around 38. North wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
38°3°–48°9°
Typical high / low
57°14° / 40°4°
Wind
13 mph21 km/h, gusts 25 mph40 km/h
UV peak
4
Tuesday, Oct 27. Mostly cloudy. High 52°11°, low 32°0°. Typical 57°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 49°10°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 40°4°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 52. Northeast wind 5 to 8 mph.
Night: Mostly cloudy, with a low around 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
48°9°–52°11°
Low, likely
32°0°–39°4°
Typical high / low
57°14° / 40°4°
Wind
10 mph16 km/h, gusts 17 mph28 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 60°16°, low 45°7°. Typical 56°13° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 60.
Night: Mostly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
55°13°–63°17°
Low, likely
31°−1°–45°7°
Typical high / low
56°13° / 40°4°
Wind
11 mph18 km/h, gusts 17 mph27 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 68°20°, low 47°8°. Typical 56°13° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 56°14°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: A slight chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
44°7°–53°12°
Typical high / low
56°13° / 39°4°
Wind
16 mph26 km/h, gusts 37 mph59 km/h
UV peak
3
Friday, Oct 30. Mostly cloudy. High 62°17°, low 48°9°. Typical 56°13° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 62.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–71°22°
Low, likely
43°6°–51°11°
Typical high / low
56°13° / 39°4°
Wind
10 mph15 km/h, gusts 26 mph42 km/h
UV peak
3
Saturday, Oct 31. Partly sunny. High 67°19°, low 45°7°. Typical 55°13° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–73°23°
Low, likely
41°5°–53°12°
Typical high / low
55°13° / 39°4°
Wind
9 mph14 km/h, gusts 14 mph23 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 67°19°, low 51°11°. Typical 55°13° / 38°3°. Rain 0.07 in1.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  30% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–71°22°
Low, likely
43°6°–59°15°
Typical high / low
55°13° / 38°3°
Wind
17 mph27 km/h, gusts 35 mph56 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 57°, low 32°.
Tomorrow
Dry, high 62°, low 36°, warming up.
Sunday
Dry, high 66°, low 44°, warming up.
Rest of week
Mostly dry, highs 52–68°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (BUF) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Oatka Creek at Garbutt

7.9 mi

Below flood stage

Level: 2.4 ft
Flow: 44 cfs

Forecast peak 2.4 ft Sat 2 AM

Reading from Fri 9 PM · NWS gauge page

Honeoye Creek at Honeoye Falls

9.8 mi

Below flood stage

Level: 2.1 ft
Flow: 3 cfs

Forecast peak 2.0 ft Sat 2 AM

Reading from Fri 10:30 PM · NWS gauge page

Black Creek at Churchville

11 mi

Below flood stage

Level: 1.6 ft
Flow: 25 cfs

Forecast peak 1.6 ft Sat 2 AM

Reading from Fri 9 PM · NWS gauge page

Genesee River at Avon - NEW USGS gage on the old railroad bridge

12 mi

Below flood stage

Level: 15.6 ft
Flow: 574 cfs

Forecast peak 15.7 ft Sat 2 PM

Reading from Fri 10:15 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 69% less heating than a typical week.

This week 36Typical 115

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 28
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 22 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°F).

Open the windows?

Sat, 1:00 PM–5:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Frederick Douglass Greater Rochester International Airport · official normals 1991–2020 · records 1872–2026

Oct 23, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 3°2° colder than normal (daily mean temperature).

−12°−7°SatOct 17
−2°−1°SunOct 18
+3°+1°MonOct 19
−1°TueOct 20
−4°−2°WedOct 21
−3°−2°ThuOct 22
—FriOct 23

Rochester Institute of Technology weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 41 min; Losing 2 min 49 s a day; shortest Dec 21, 1 h 41 min less
Golden hour: 5:35–6:33 PM; Morning 7:16–8:13 AM
Blue hour: 6:33–6:44 PM; Morning 7:05–7:16 AM; first light 7:05 AM

Stars tonight? Good

Clear 12–7:06 AM; moon 95% lit, sets 5:45 AM.

Moon

Waxing gibbous

95% lit · growing

Today: sets 4:34 AM · rises 4:49 PM
Full moon: Oct 26
New moon: Nov 9

Looking south from Rochester Institute of Technology. The highest point on the skyline is about 2,300 ft, 28 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Rochester Institute of Technology, NY weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Oatka Creek at Garbutt

Honeoye Creek at Honeoye Falls

Black Creek at Churchville

Genesee River at Avon - NEW USGS gage on the old railroad bridge

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Good

Moon