Observed 6:35 AM EDT at KFZY
Port Byron, NY weather
Clear and 37°3°.
Today: low 33°1° (likely 33°1° to 37°3°), high 56°13° (likely 56°13° to 59°15°).
Now 37°3°
Clear
- Wind
- Calm
- Light through 7 PM
- Dew point
- 34°1°
- Dry, static shocks likely
- UV index
- 0Low
- Moderate 12–3 PM · peak 3
- Air quality
- 42Good
- Main pollutant: PM2.5 (fine particles)
- Pressure
- 30.36 inHg1028 hPa
- Rising · +0.06 inHg+2.0 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
This morningUp to 48°9° by 11 AM · Partly cloudy
This afternoonUp to 56°13° by 3 PM · Partly cloudy
TonightDown to 33°1° by 5 AM · Mostly cloudy
Tomorrow morningUp to 50°10° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 59°15° by 2 PM · Clear
Tomorrow nightDown to 37°3° by 5 AM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 7a | Sunny | 34°1° (likely 34°1° to 39°4°) | 31°−1° | 0% | 3 mph5 km/h from NE, gusts 6 mph9 km/h | 100% | 37% | 0 |
| Fri 8a | Fog | 34°1° (likely 34°1° to 38°3°) | 34°1° | 0% | 1 mph2 km/h from E, gusts 5 mph8 km/h | 100% | 40% | 0 |
| Fri 9a | Sunny | 39°4° (likely 39°4° to 41°5°) | 39°4° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 97% | 34% | 0 |
| Fri 10a | Mostly sunny | 45°7° (likely 45°7° to 47°8°) | 45°7° | 0% | 2 mph3 km/h from E, gusts 9 mph15 km/h | 82% | 14% | 1 |
| Fri 11a | Sunny | 48°9° (likely 48°9° to 51°11°) | 48°9° | 0% | 2 mph3 km/h from E, gusts 10 mph16 km/h | 71% | 0% | 2 |
| Fri 12p | Sunny | 52°11° (likely 52°11° to 55°13°) | 52°11° | 0% | 2 mph3 km/h from E, gusts 9 mph14 km/h | 61% | 6% | 3 |
| Fri 1p | Sunny | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 2 mph3 km/h from NE, gusts 8 mph13 km/h | 55% | 17% | 3 |
| Fri 2p | Partly sunny | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 3 mph5 km/h from NE, gusts 8 mph13 km/h | 50% | 38% | 3 |
| Fri 3p | Cloudy | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 3 mph5 km/h from NE, gusts 7 mph12 km/h | 47% | 60% | 2 |
| Fri 4p | Partly sunny | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 3 mph5 km/h from NE, gusts 7 mph12 km/h | 48% | 71% | 1 |
| Fri 5p | Partly sunny | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 3 mph5 km/h from NE, gusts 6 mph10 km/h | 51% | 73% | 0 |
| Fri 6p | Cloudy | 52°11° (likely 50°10° to 53°12°) | 52°11° | 0% | 2 mph3 km/h from N, gusts 7 mph11 km/h | 55% | 81% | 0 |
| Fri 7p | Cloudy | 46°8° (likely 46°8° to 47°8°) | 46°8° | 0% | 1 mph2 km/h from NE, gusts 7 mph11 km/h | 71% | 81% | 0 |
| Fri 8p | Cloudy | 42°6° (likely 42°6° to 45°7°) | 42°6° | 0% | 1 mph2 km/h from NE, gusts 8 mph13 km/h | 80% | 80% | 0 |
| Fri 9p | Cloudy | 40°4° (likely 40°4° to 43°6°) | 40°4° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 84% | 77% | 0 |
| Fri 10p | Cloudy | 38°3° (likely 38°3° to 42°6°) | 38°3° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 87% | 73% | 0 |
| Fri 11p | Cloudy | 37°3° (likely 37°3° to 41°5°) | 37°3° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 89% | 70% | 0 |
| Sat 12a | Cloudy | 36°2° (likely 36°2° to 41°5°) | 36°2° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 91% | 66% | 0 |
| Sat 1a | Cloudy | 35°2° (likely 35°2° to 42°6°) | 35°2° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 92% | 63% | 0 |
| Sat 2a | Fog | 35°2° (likely 35°2° to 41°5°) | 35°2° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 94% | 52% | 0 |
| Sat 3a | Fog | 35°2° (likely 35°2° to 40°4°) | 35°2° | 0% | 1 mph2 km/h from S, gusts 4 mph6 km/h | 95% | 31% | 0 |
| Sat 4a | Fog | 34°1° (likely 34°1° to 39°4°) | 34°1° | 0% | 1 mph2 km/h from S, gusts 3 mph6 km/h | 95% | 45% | 0 |
| Sat 5a | Fog | 33°1° (likely 33°1° to 38°3°) | 33°1° | 0% | 1 mph2 km/h from S, gusts 4 mph6 km/h | 96% | 53% | 0 |
| Sat 6a | Fog | 33°1° (likely 33°1° to 37°3°) | 33°1° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 94% | 47% | 0 |
| Sat 7a | Cloudy | 33°1° (likely 33°1° to 37°3°) | 33°1° | 0% | 1 mph2 km/h from S, gusts 6 mph10 km/h | 92% | 59% | 0 |
| Sat 8a | Cloudy | 34°1° (likely 34°1° to 38°3°) | 34°1° | 0% | 2 mph3 km/h from S, gusts 5 mph9 km/h | 92% | 55% | 0 |
| Sat 9a | Fog | 39°4° (likely 37°3° to 42°6°) | 39°4° | 0% | 2 mph3 km/h from S, gusts 6 mph9 km/h | 88% | 56% | 1 |
| Sat 10a | Mostly sunny | 46°8° (likely 46°8° to 50°10°) | 46°8° | 0% | 2 mph3 km/h from S, gusts 10 mph15 km/h | 76% | 58% | 1 |
| Sat 11a | Mostly sunny | 50°10° (likely 50°10° to 56°13°) | 50°10° | 0% | 2 mph3 km/h from S, gusts 12 mph20 km/h | 67% | 35% | 2 |
| Sat 12p | Sunny | 55°13° (likely 55°13° to 59°15°) | 55°13° | 0% | 2 mph3 km/h from S, gusts 11 mph18 km/h | 57% | 34% | 3 |
| Sat 1p | Mostly sunny | 57°14° (likely 57°14° to 62°17°) | 57°14° | 0% | 2 mph3 km/h from SW, gusts 11 mph17 km/h | 51% | 9% | 4 |
| Sat 2p | Sunny | 59°15° (likely 59°15° to 63°17°) | 59°15° | 0% | 2 mph3 km/h from S, gusts 9 mph14 km/h | 49% | 1% | 4 |
| Sat 3p | Sunny | 59°15° (likely 59°15° to 63°17°) | 59°15° | 0% | 1 mph2 km/h from S, gusts 8 mph12 km/h | 46% | 0% | 3 |
| Sat 4p | Sunny | 59°15° (likely 59°15° to 63°17°) | 59°15° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 46% | 0% | 2 |
| Sat 5p | Sunny | 58°14° (likely 57°14° to 62°17°) | 58°14° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 52% | 0% | 1 |
| Sat 6p | Clear | 55°13° (likely 53°12° to 57°14°) | 55°13° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 54% | 0% | 0 |
| Sat 7p | Clear | 49°9° (likely 49°9° to 54°12°) | 49°9° | 0% | 1 mph2 km/h from E, gusts 7 mph11 km/h | 67% | 0% | 0 |
| Sat 8p | Clear | 44°7° (likely 44°7° to 52°11°) | 44°7° | 0% | 1 mph2 km/h from E, gusts 9 mph15 km/h | 77% | 0% | 0 |
| Sat 9p | Clear | 42°6° (likely 42°6° to 49°9°) | 42°6° | 0% | 1 mph2 km/h from SE, gusts 11 mph17 km/h | 82% | 0% | 0 |
| Sat 10p | Clear | 40°4° (likely 40°4° to 47°8°) | 40°4° | 0% | 1 mph2 km/h from SE, gusts 11 mph18 km/h | 85% | 0% | 0 |
| Sat 11p | Clear | 40°4° (likely 40°4° to 46°8°) | 40°4° | 0% | 2 mph3 km/h from SE, gusts 11 mph18 km/h | 86% | 0% | 0 |
| Sun 12a | Clear | 39°4° (likely 39°4° to 45°7°) | 39°4° | 0% | 2 mph3 km/h from S, gusts 12 mph19 km/h | 86% | 0% | 0 |
| Sun 1a | Clear | 39°4° (likely 39°4° to 44°7°) | 37°3° | 0% | 3 mph5 km/h from S, gusts 12 mph19 km/h | 86% | 0% | 0 |
| Sun 2a | Clear | 39°4° (likely 39°4° to 44°7°) | 37°3° | 0% | 3 mph5 km/h from S, gusts 12 mph19 km/h | 87% | 0% | 0 |
| Sun 3a | Clear | 38°3° (likely 38°3° to 44°7°) | 36°2° | 0% | 3 mph5 km/h from S, gusts 11 mph18 km/h | 88% | 0% | 0 |
| Sun 4a | Clear | 38°3° (likely 38°3° to 43°6°) | 35°2° | 0% | 3 mph5 km/h from S, gusts 11 mph18 km/h | 90% | 0% | 0 |
| Sun 5a | Clear | 37°3° (likely 37°3° to 43°6°) | 35°2° | 0% | 3 mph5 km/h from S, gusts 11 mph17 km/h | 91% | 0% | 0 |
| Sun 6a | Clear | 36°2° (likely 36°2° to 42°6°) | 34°1° | 0% | 3 mph5 km/h from S, gusts 11 mph17 km/h | 93% | 1% | 0 |
Days ahead
Today, Oct 23. Fog. High 56°13°, low 33°1°. Typical 56°13° / 39°4°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 34°1°Dry
Afternoon
noon–6 PM
Cloudy, 56°13°Dry
Evening
6 PM–midnight
Cloudy, 42°6°Dry
Overnight
midnight–6 AM
Fog, 33°1°Dry
Official NWS forecast
Today: Patchy fog before 10am. Sunny, with a high near 56. Northeast wind around 3 mph.
Tonight: Patchy fog after 11pm. Partly cloudy, with a low around 33. Northeast wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 56°13°–59°15°
- Low, likely
- 33°1°–37°3°
- Typical high / low
- 56°13° / 39°4°
- Wind
- 7 mph12 km/h, gusts 16 mph26 km/h
- UV peak
- 4
Tomorrow, Oct 24. Cloudy. High 60°16°, low 36°2°. Typical 56°13° / 38°3°. Dry. Mostly agree.
Morning
6 AM–noon
Fog, 34°1°Dry
Afternoon
noon–6 PM
Sunny, 59°15°Dry
Evening
6 PM–midnight
Clear, 44°7°Dry
Overnight
midnight–6 AM
Clear, 37°3°Dry
Official NWS forecast
Day: Patchy fog before 10am. Sunny, with a high near 60. South wind around 2 mph.
Night: Patchy fog after 11pm. Clear, with a low around 36. Southeast wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 60°16°–63°17°
- Low, likely
- 34°1°–37°3°
- Typical high / low
- 56°13° / 38°3°
- Wind
- 9 mph14 km/h, gusts 16 mph25 km/h
- UV peak
- 4
Sunday, Oct 25. Fog. High 64°18°, low 42°6°. Typical 56°13° / 38°3°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 41°5°Dry
Afternoon
noon–6 PM
Sunny, 63°17°Dry
Evening
6 PM–midnight
Clear, 49°9°Dry
Overnight
midnight–6 AM
Mostly clear, 45°7°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 10am. Sunny, with a high near 64. South wind around 6 mph.
Night: Patchy fog after 11pm. Partly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 60°16°–65°18°
- Low, likely
- 39°4°–42°6°
- Typical high / low
- 56°13° / 38°3°
- Wind
- 10 mph15 km/h, gusts 20 mph33 km/h
- UV peak
- 4
Monday, Oct 26. Cloudy. High 64°18°, low 37°3°. Typical 55°13° / 38°3°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 45°7°Dry
Afternoon
noon–6 PM
Cloudy, 65°19°Dry
Evening
6 PM–midnight
Cloudy, 55°13°Dry
Overnight
midnight–6 AM
Cloudy, 43°6°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 10am. Mostly sunny, with a high near 64.
Night: Partly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 64°18°–67°19°
- Low, likely
- 37°3°–45°7°
- Typical high / low
- 55°13° / 38°3°
- Wind
- 12 mph19 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Tuesday, Oct 27. Partly sunny. High 53°12°, low 32°0°. Typical 55°13° / 38°3°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 39°4°Dry
Afternoon
noon–6 PM
Cloudy, 51°11°Dry
Evening
6 PM–midnight
Cloudy, 41°5°Dry
Overnight
midnight–6 AM
Cloudy, 38°3°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 53.
Night: Partly cloudy, with a low around 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 49°9°–53°12°
- Low, likely
- 32°0°–39°4°
- Typical high / low
- 55°13° / 38°3°
- Wind
- 9 mph14 km/h, gusts 19 mph30 km/h
- UV peak
- 4
Wednesday, Oct 28. Cloudy. High 58°14°, low 41°5°. Typical 55°13° / 37°3°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 39°4°Dry
Afternoon
noon–6 PM
Cloudy, 60°16°Dry
Evening
6 PM–midnight
Cloudy, 53°12°Dry
Overnight
midnight–6 AM
Mostly clear, 52°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 58.
Night: Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 58°14°–62°17°
- Low, likely
- 34°1°–41°5°
- Typical high / low
- 55°13° / 37°3°
- Wind
- 15 mph24 km/h, gusts 27 mph43 km/h
- UV peak
- 2
Thursday, Oct 29. Partly sunny. High 64°18°, low 45°7°. Typical 54°12° / 37°3°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 52°11°Dry
Afternoon
noon–6 PM
Sunny, 65°19°Dry
Evening
6 PM–midnight
Partly cloudy, 59°15°Dry
Overnight
midnight–6 AM
Mostly clear, 53°12°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64.
Night: Partly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 62°17°–70°21°
- Low, likely
- 45°7°–52°11°
- Typical high / low
- 54°12° / 37°3°
- Wind
- 17 mph27 km/h, gusts 32 mph51 km/h
- UV peak
- 3
Friday, Oct 30. Drizzle. High 62°17°, low 48°9°. Typical 54°12° / 36°2°. Rain 0.03 in0.8 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 50°10°Dry
Afternoon
noon–6 PM
Cloudy, 59°15°Dry
Evening
6 PM–midnight
Drizzle, 51°11°Dry
Overnight
midnight–6 AM
Cloudy, 45°7°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
- 56°13°–69°21°
- Low, likely
- 44°7°–52°11°
- Typical high / low
- 54°12° / 36°2°
- Wind
- 13 mph20 km/h, gusts 29 mph47 km/h
- UV peak
- 3
Saturday, Oct 31. Drizzle. High 54°12°, low 43°6°. Typical 54°12° / 36°2°. Rain 0.08 in2 mm, 10% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 45°7°Dry
Afternoon
noon–6 PM
Drizzle, 52°11°Dry
Evening
6 PM–midnight
Clear, 45°7°Dry
Overnight
midnight–6 AM
Drizzle, 43°6°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
- 47°8°–62°17°
- Low, likely
- 35°2°–53°12°
- Typical high / low
- 54°12° / 36°2°
- Wind
- 12 mph20 km/h, gusts 30 mph49 km/h
Sunday, Nov 1. Rain. High 62°17°, low 49°9°. Typical 53°12° / 36°2°. Rain 0.3 in7.6 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 44°7°20% chance · 0.05 in1.4 mm
Afternoon
noon–6 PM
Rain, 59°15°30% chance · 0.1 in2.4 mm
Evening
6 PM–midnight
Drizzle, 55°13°40% chance · 0.07 in1.7 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 57°14°–65°18°
- Low, likely
- 37°3°–58°14°
- Typical high / low
- 53°12° / 36°2°
- Wind
- 14 mph23 km/h, gusts 32 mph51 km/h
The outlook
Today
Dry, high 56°, low 33°.
Tomorrow
Dry, high 60°, low 36°, warming up.
Sunday
Dry, high 64°, low 42°, warming up.
Rest of week
Mostly dry, highs 53–64°.
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
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 68% less heating than a typical week.
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 30
- 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 26 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 34°F).
Open the windows?
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Is this typical?
Oct 23, today vs a typical year
Today’s expected high is about typical for the date.
- Normal high / low
- 56°13° / 39°4°
- Forecast high / low
- 56°13° / 33°1°
- Record high
- 81°27° in 2024
- Record low
- 23°−5° in 1969
Last 7 days vs normal
On average 1° colder than normal (daily mean temperature).
- +4°+2°SatOct 17
- −11°−6°SunOct 18
- +2°+1°MonOct 19
- +3°+2°TueOct 20
- −2°−1°WedOct 21
- −2°−1°ThuOct 22
- —FriOct 23
Port Byron weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:29 AM, sunset 6:11 PM.
- Daylight
- 10 h 41 min
- Losing 2 min 44 s a day; shortest Dec 21, 1 h 41 min less
- Golden hour
- 5:31–6:28 PM
- Morning 7:12–8:09 AM
- Blue hour
- 6:28–6:40 PM
- Morning 7:00–7:12 AM; first light 7:00 AM
Stars tonight? Poor
Clouds most of the night (about 63% cover).
Moon
Waxing gibbous
91% lit · growing
- Today
- sets 4:29 AM · rises 4:45 PM
- Full moon
- Oct 26
- New moon
- Nov 9
