Observed 7:45 PM EDT at KROC

Clarkson, NY weather

Clear and 52°11°.

Mostly agree

Now 52°11°

Clear

Wind: 6 mph9 km/h; From the east. Up to 6 mph10 km/h through 8 AM
Dew point: 37°3°; Comfortable
UV tomorrow: 4Moderate; Moderate 12–4 PM · peak 4
Pressure: 30.51 inHg1033 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

6°3° warmer than this time yesterday (47°8° then, 53°12° now)

Good hours for

Low 39°4° tomorrow at 6 AM
Above 50°10° tomorrow by 10 AM
High 65°18° tomorrow at 2 PM
Below 60°16° tomorrow night after 7 PM

TonightDown to 40°4° by 3 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 65°18° by 2 PM · Clear
Tomorrow nightDown to 48°9° by 9 PM · Mostly cloudy
Monday morningUp to 62°17° by 11 AM · Mostly cloudy
Monday afternoonNear 62°17° · 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
Sat 8p	Clear	50°10° (likely 46°8° to 50°10°)	49°9°	0%	3 mph5 km/h from E, gusts 8 mph13 km/h	69%	0%	0
Sat 9p	Clear	44°7° (likely 44°7° to 46°8°)	44°7°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	84%	0%	0
Sat 10p	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	2 mph3 km/h from S, gusts 8 mph13 km/h	86%	0%	0
Sat 11p	Clear	42°6° (likely 42°6° to 47°8°)	40°4°	0%	3 mph5 km/h from S, gusts 10 mph16 km/h	85%	0%	0
Sun 12a	Clear	42°6° (likely 40°4° to 47°8°)	40°4°	0%	3 mph5 km/h from S, gusts 10 mph16 km/h	84%	0%	0
Sun 1a	Clear	41°5° (likely 40°4° to 47°8°)	39°4°	0%	3 mph5 km/h from S, gusts 11 mph17 km/h	83%	0%	0
Sun 2a	Clear	41°5° (likely 39°4° to 46°8°)	38°3°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	80%	0%	0
Sun 3a	Clear	40°4° (likely 39°4° to 46°8°)	36°2°	0%	6 mph10 km/h from S, gusts 11 mph17 km/h	82%	0%	0
Sun 4a	Clear	40°4° (likely 39°4° to 46°8°)	36°2°	0%	6 mph10 km/h from S, gusts 11 mph18 km/h	82%	0%	0
Sun 5a	Clear	40°4° (likely 38°3° to 46°8°)	35°2°	0%	6 mph10 km/h from S, gusts 11 mph17 km/h	83%	0%	0
Sun 6a	Clear	39°4° (likely 38°3° to 46°8°)	35°2°	0%	6 mph10 km/h from S, gusts 11 mph18 km/h	81%	0%	0
Sun 7a	Clear	39°4° (likely 37°3° to 44°7°)	35°2°	0%	6 mph10 km/h from S, gusts 9 mph15 km/h	80%	0%	0
Sun 8a	Sunny	39°4° (likely 37°3° to 44°7°)	36°2°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	81%	0%	0
Sun 9a	Sunny	44°7° (likely 41°5° to 48°9°)	41°5°	0%	6 mph10 km/h from SW, gusts 9 mph14 km/h	74%	0%	0
Sun 10a	Sunny	52°11° (likely 49°9° to 53°12°)	52°11°	0%	7 mph11 km/h from SW, gusts 13 mph21 km/h	61%	0%	1
Sun 11a	Sunny	57°14° (likely 55°13° to 58°14°)	57°14°	0%	7 mph11 km/h from SW, gusts 10 mph16 km/h	55%	0%	2
Sun 12p	Sunny	61°16° (likely 59°15° to 62°17°)	61°16°	0%	7 mph11 km/h from SW, gusts 7 mph12 km/h	47%	0%	3
Sun 1p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	7 mph11 km/h from SW, gusts 8 mph13 km/h	42%	0%	4
Sun 2p	Sunny	65°18° (likely 63°17° to 66°19°)	65°18°	0%	6 mph10 km/h from W, gusts 8 mph13 km/h	39%	1%	4
Sun 3p	Sunny	65°18° (likely 64°18° to 67°19°)	65°18°	0%	6 mph10 km/h from W, gusts 9 mph14 km/h	41%	4%	3
Sun 4p	Mostly sunny	64°18° (likely 63°17° to 67°19°)	64°18°	0%	6 mph10 km/h from SW, gusts 9 mph15 km/h	45%	41%	2
Sun 5p	Partly sunny	63°17° (likely 61°16° to 66°19°)	63°17°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	49%	48%	1
Sun 6p	Partly cloudy	60°16° (likely 56°13° to 60°16°)	60°16°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	54%	67%	0
Sun 7p	Cloudy	55°13° (likely 52°11° to 56°13°)	55°13°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	63%	77%	0
Sun 8p	Cloudy	50°10° (likely 49°9° to 55°13°)	49°9°	0%	3 mph5 km/h from SW, gusts 9 mph14 km/h	74%	81%	0
Sun 9p	Mostly cloudy	48°9° (likely 47°8° to 54°12°)	47°8°	0%	3 mph5 km/h from SW, gusts 10 mph17 km/h	80%	74%	0
Sun 10p	Mostly cloudy	48°9° (likely 46°8° to 54°12°)	46°8°	0%	5 mph8 km/h from SW, gusts 11 mph17 km/h	84%	70%	0
Sun 11p	Cloudy	48°9° (likely 47°8° to 53°12°)	46°8°	0%	6 mph10 km/h from SW, gusts 11 mph17 km/h	88%	78%	0
Mon 12a	Cloudy	49°9° (likely 49°9° to 52°11°)	46°8°	0%	6 mph10 km/h from SW, gusts 11 mph18 km/h	88%	78%	0
Mon 1a	Mostly cloudy	49°9° (likely 49°9° to 53°12°)	46°8°	0%	6 mph10 km/h from SW, gusts 12 mph19 km/h	88%	73%	0
Mon 2a	Cloudy	49°9° (likely 49°9° to 53°12°)	47°8°	0%	6 mph10 km/h from SW, gusts 12 mph20 km/h	87%	54%	0
Mon 3a	Partly cloudy	49°9° (likely 49°9° to 52°11°)	46°8°	0%	7 mph11 km/h from SW, gusts 13 mph21 km/h	88%	45%	0
Mon 4a	Mostly clear	49°9° (likely 49°9° to 52°11°)	46°8°	0%	7 mph11 km/h from SW, gusts 14 mph22 km/h	89%	37%	0
Mon 5a	Mostly clear	48°9° (likely 48°9° to 53°12°)	45°7°	0%	8 mph13 km/h from SW, gusts 14 mph23 km/h	92%	30%	0
Mon 6a	Partly cloudy	49°9° (likely 49°9° to 52°11°)	46°8°	0%	8 mph13 km/h from SW, gusts 13 mph22 km/h	92%	38%	0
Mon 7a	Partly cloudy	50°10° (likely 50°10° to 52°11°)	46°8°	0%	8 mph13 km/h from SW, gusts 13 mph21 km/h	93%	79%	0
Mon 8a	Mostly sunny	50°10° (likely 50°10° to 53°12°)	47°8°	0%	9 mph14 km/h from SW, gusts 14 mph22 km/h	96%	58%	0
Mon 9a	Cloudy	54°12° (likely 54°12° to 55°13°)	54°12°	0%	9 mph14 km/h from W, gusts 19 mph30 km/h	93%	73%	0
Mon 10a	Cloudy	58°14° (likely 57°14° to 59°15°)	58°14°	0%	9 mph14 km/h from W, gusts 18 mph29 km/h	85%	70%	1
Mon 11a	Cloudy	62°17° (likely 58°14° to 62°17°)	62°17°	0%	10 mph16 km/h from W, gusts 17 mph27 km/h	78%	69%	2
Mon 12p	Partly sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	12 mph19 km/h from W, gusts 16 mph25 km/h	73%	68%	3
Mon 1p	Cloudy	64°18° (likely 57°14° to 64°18°)	64°18°	0%	12 mph19 km/h from W, gusts 16 mph25 km/h	70%	77%	3
Mon 2p	Cloudy	64°18° (likely 57°14° to 64°18°)	64°18°	5%	12 mph19 km/h from W, gusts 16 mph27 km/h	67%	88%	3
Mon 3p	Partly sunny	63°17° (likely 57°14° to 63°17°)	63°17°	5%	12 mph19 km/h from W, gusts 16 mph26 km/h	65%	85%	3
Mon 4p	Cloudy	63°17° (likely 56°13° to 63°17°)	63°17°	5%	10 mph16 km/h from NW, gusts 17 mph27 km/h	64%	81%	2
Mon 5p	Cloudy	61°16° (likely 54°12° to 61°16°)	61°16°	5%	9 mph14 km/h from NW, gusts 17 mph27 km/h	64%	76%	0
Mon 6p	Cloudy	58°14° (likely 54°12° to 58°14°)	58°14°	5%	8 mph13 km/h from NW, gusts 15 mph25 km/h	67%	83%	0
Mon 7p	Mostly cloudy	55°13° (likely 52°11° to 56°13°)	55°13°	5%	8 mph13 km/h from NW, gusts 14 mph23 km/h	71%	79%	0

Days ahead

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

Today, Oct 24. Sunny. High 62°17°, low 37°3°. Typical 58°14° / 41°5°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Tonight: Clear, with a low around 37. South wind 2 to 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–63°17°
Low, likely
31°−1°–37°3°
Typical high / low
58°14° / 41°5°
Wind
8 mph13 km/h, gusts 14 mph23 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 65°18°, low 48°9°. Typical 58°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 48°9°
  Dry
Official NWS forecast
Day: Sunny, with a high near 65. Southwest wind around 7 mph.
Night: Partly cloudy, with a low around 48. Southwest wind 3 to 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
37°3°–48°9°
Typical high / low
58°14° / 40°4°
Wind
9 mph15 km/h, gusts 16 mph25 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 64°18°, low 38°3°. Typical 57°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 43°6°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 64. West wind 8 to 12 mph.
Night: Mostly cloudy, with a low around 38. North wind around 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–64°18°
Low, likely
38°3°–51°11°
Typical high / low
57°14° / 40°4°
Wind
14 mph23 km/h, gusts 25 mph40 km/h
UV peak
3
Tuesday, Oct 27. Partly sunny. High 51°11°, low 34°1°. Typical 57°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 36°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 51. Northeast wind around 8 mph.
Night: Partly cloudy, with a low around 34. East wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
48°9°–52°11°
Low, likely
34°1°–38°3°
Typical high / low
57°14° / 40°4°
Wind
12 mph19 km/h, gusts 18 mph28 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 62°17°, low 49°9°. Typical 56°13° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 62. East wind around 6 mph.
Night: Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–64°18°
Low, likely
33°1°–49°9°
Typical high / low
56°13° / 40°4°
Wind
11 mph17 km/h, gusts 21 mph34 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 70°21°, low 51°11°. Typical 56°13° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 2pm. Mostly sunny, with a high near 70.
Night: A slight chance of rain showers before 8pm. Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
48°9°–55°13°
Typical high / low
56°13° / 39°4°
Wind
18 mph28 km/h, gusts 38 mph61 km/h
UV peak
3
Friday, Oct 30. Partly sunny. High 66°19°, low 48°9°. Typical 56°13° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: Partly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–67°19°
Low, likely
46°8°–53°12°
Typical high / low
56°13° / 39°4°
Wind
13 mph20 km/h, gusts 28 mph45 km/h
UV peak
3
Saturday, Oct 31. Mostly cloudy. High 66°19°, low 46°8°. Typical 55°13° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 66.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–73°23°
Low, likely
37°3°–51°11°
Typical high / low
55°13° / 39°4°
Wind
10 mph17 km/h, gusts 25 mph41 km/h
UV peak
2
Sunday, Nov 1. Drizzle. High 68°20°, low 55°13°. Typical 55°13° / 38°3°. Rain 0.09 in2.3 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  40% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  40% chance · 0.06 in1.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  40% chance · 0.03 in0.7 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–71°22°
Low, likely
46°8°–62°17°
Typical high / low
55°13° / 38°3°
Wind
21 mph34 km/h, gusts 41 mph67 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 66°19°, low 54°12°. Typical 54°12° / 38°3°. Rain 0.29 in7.4 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  40% chance · 0.05 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 63°17°
  30% chance · 0.17 in4.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 54°12°
  30% chance · 0.08 in1.9 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–70°21°
Low, likely
51°11°–56°13°
Typical high / low
54°12° / 38°3°
Wind
26 mph42 km/h, gusts 40 mph65 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 37°.
Tomorrow
Dry, high 65°, low 48°, warming up.
Monday
Dry, high 64°, low 38°.
Rest of week
Highs 51–70°; chance of precipitation on Sunday.

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

Black Creek at Churchville

9.8 mi

Below flood stage

Level: 1.6 ft
Flow: 23 cfs

Forecast peak 1.6 ft Sat 8 PM

Reading from Sat 7 PM · NWS gauge page

Oatka Creek at Garbutt

17 mi

Below flood stage

Level: 2.4 ft
Flow: 43 cfs

Forecast peak 2.4 ft Sat 8 PM

Reading from Sat 7 PM · NWS gauge page

Sandy Creek (WNY) at North Hamlin

6.6 mi

Level: 16.9 ft

Reading from Sat 7 PM · NWS gauge page

Lake America at Hamlin Beach State Park

8.1 mi

Level: 245 ft

Reading from Sat 6:24 PM · NWS gauge page

For your home

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

Heating this week

About 78% less heating than a typical week.

This week 26Typical 117

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 13
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 10 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

Sun, 12:00 PM–6:00 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 24, today vs a typical year

Today’s expected high is 4°2° warmer than typical.

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

+3°+1°MonOct 19
−1°TueOct 20
−4°−2°WedOct 21
−3°−2°ThuOct 22
−4°−2°FriOct 23
—SatOct 24
—SunOct 25

Clarkson weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 38 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 39 min less
Golden hour: 5:34–6:32 PM; Morning 7:18–8:16 AM
Blue hour: 6:32–6:43 PM; Morning 7:07–7:18 AM; first light 7:07 AM

Stars tonight? Fair

Clear 8:03 PM–7:08 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:46 AM · rises 5:12 PM
Full moon: Oct 26
New moon: Nov 9

Looking north from Clarkson. Open water to the horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Clarkson, NY weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Black Creek at Churchville

Oatka Creek at Garbutt

Sandy Creek (WNY) at North Hamlin

Lake America at Hamlin Beach State Park

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon