Observed 1:35 AM EDT at KEDJ

Port Jefferson, OH weather

Clear and 50°10°, 10°6° warmer than a typical Oct 25.

Mostly agree

Now 50°10°

Clear

Wind: Calm; Light through 1 PM
Dew point: 45°7°; Comfortable
UV index: 0Low; Moderate 12–5 PM · peak 4
Pressure: 30.46 inHg1031 hPa; Rising slowly · +0.02 inHg+0.6 hPa next 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (48°9° then, 50°10° now)

Good hours for

Low 43°6° today at 7 AM
Above 60°16° today by noon
High 71°22° today at 5 PM
Below 60°16° tonight after 9 PM

TonightNear 47°8° · Clear
This morningUp to 59°15° by 11 AM · Clear
This afternoonUp to 71°22° by 5 PM · Mostly cloudy
TonightDown to 46°8° by 5 AM · Partly cloudy
Tomorrow morningUp to 61°16° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 74°23° by 4 PM · Mostly cloudy
Tomorrow nightDown to 53°12° by midnight · 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
Sun 1a	Clear	48°9° (likely 47°8° to 50°10°)	48°9°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	89%	0%	0
Sun 2a	Clear	47°8° (likely 46°8° to 48°9°)	47°8°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	89%	0%	0
Sun 3a	Clear	47°8° (likely 45°7° to 47°8°)	47°8°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	92%	3%	0
Sun 4a	Clear	46°8° (likely 44°7° to 46°8°)	46°8°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	94%	8%	0
Sun 5a	Clear	45°7° (likely 43°6° to 45°7°)	45°7°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	93%	2%	0
Sun 6a	Clear	44°7° (likely 42°6° to 44°7°)	44°7°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	96%	1%	0
Sun 7a	Clear	43°6° (likely 41°5° to 43°6°)	43°6°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	97%	1%	0
Sun 8a	Sunny	43°6° (likely 40°4° to 44°7°)	43°6°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	100%	4%	0
Sun 9a	Sunny	45°7° (likely 43°6° to 47°8°)	44°7°	0%	3 mph5 km/h from SE, gusts 7 mph12 km/h	100%	3%	0
Sun 10a	Sunny	53°12° (likely 51°11° to 54°12°)	53°12°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	85%	0%	1
Sun 11a	Sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	70%	2%	2
Sun 12p	Partly sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	3 mph5 km/h from S, gusts 8 mph12 km/h	58%	35%	3
Sun 1p	Cloudy	66°19° (likely 65°18° to 67°19°)	66°19°	0%	3 mph5 km/h from S, gusts 6 mph10 km/h	51%	71%	4
Sun 2p	Cloudy	69°21° (likely 66°19° to 69°21°)	69°21°	0%	3 mph5 km/h from S, gusts 6 mph9 km/h	45%	78%	4
Sun 3p	Cloudy	70°21° (likely 67°19° to 70°21°)	70°21°	0%	2 mph3 km/h from S, gusts 6 mph9 km/h	44%	74%	3
Sun 4p	Partly sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	41%	56%	3
Sun 5p	Partly sunny	71°22° (likely 66°19° to 71°22°)	71°22°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	40%	71%	2
Sun 6p	Cloudy	69°21° (likely 64°18° to 69°21°)	69°21°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	46%	71%	1
Sun 7p	Mostly clear	65°18° (likely 59°15° to 65°18°)	65°18°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	51%	69%	0
Sun 8p	Partly cloudy	61°16° (likely 56°13° to 61°16°)	61°16°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	62%	52%	0
Sun 9p	Partly cloudy	55°13° (likely 54°12° to 57°14°)	55°13°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	75%	51%	0
Sun 10p	Mostly clear	53°12° (likely 51°11° to 54°12°)	53°12°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	81%	35%	0
Sun 11p	Mostly clear	52°11° (likely 50°10° to 52°11°)	52°11°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	83%	57%	0
Mon 12a	Mostly clear	51°11° (likely 49°9° to 51°11°)	51°11°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	86%	49%	0
Mon 1a	Cloudy	49°9° (likely 49°9° to 50°10°)	49°9°	0%	2 mph3 km/h from S, gusts 6 mph10 km/h	89%	70%	0
Mon 2a	Cloudy	48°9° (likely 48°9° to 50°10°)	48°9°	0%	2 mph3 km/h from S, gusts 6 mph10 km/h	91%	72%	0
Mon 3a	Mostly clear	48°9° (likely 47°8° to 49°9°)	48°9°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	90%	32%	0
Mon 4a	Partly cloudy	47°8° (likely 46°8° to 49°9°)	47°8°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	93%	54%	0
Mon 5a	Mostly clear	46°8° (likely 46°8° to 48°9°)	46°8°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	96%	59%	0
Mon 6a	Mostly clear	46°8° (likely 46°8° to 47°8°)	46°8°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	96%	65%	0
Mon 7a	Mostly clear	45°7° (likely 45°7° to 46°8°)	45°7°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	96%	51%	0
Mon 8a	Partly sunny	45°7° (likely 44°7° to 46°8°)	45°7°	0%	1 mph2 km/h from S, gusts 7 mph12 km/h	96%	47%	0
Mon 9a	Sunny	47°8° (likely 46°8° to 49°9°)	47°8°	0%	2 mph3 km/h from S, gusts 8 mph12 km/h	94%	42%	0
Mon 10a	Mostly sunny	54°12° (likely 53°12° to 56°13°)	54°12°	0%	2 mph3 km/h from SW, gusts 8 mph12 km/h	80%	45%	1
Mon 11a	Mostly sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	2 mph3 km/h from SW, gusts 8 mph13 km/h	64%	48%	2
Mon 12p	Mostly sunny	66°19° (likely 64°18° to 67°19°)	66°19°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	55%	58%	3
Mon 1p	Cloudy	69°21° (likely 68°20° to 70°21°)	69°21°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	48%	70%	4
Mon 2p	Cloudy	71°22° (likely 69°21° to 72°22°)	71°22°	0%	2 mph3 km/h from W, gusts 7 mph12 km/h	44%	66%	4
Mon 3p	Cloudy	73°23° (likely 70°21° to 73°23°)	73°23°	0%	2 mph3 km/h from W, gusts 7 mph12 km/h	41%	67%	3
Mon 4p	Partly sunny	74°23° (likely 70°21° to 74°23°)	74°23°	0%	1 mph2 km/h from W, gusts 7 mph11 km/h	40%	67%	3
Mon 5p	Partly sunny	73°23° (likely 69°21° to 73°23°)	73°23°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	41%	61%	2
Mon 6p	Cloudy	70°21° (likely 66°19° to 70°21°)	70°21°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	45%	64%	1
Mon 7p	Cloudy	66°19° (likely 62°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 5 mph8 km/h	53%	67%	0
Mon 8p	Mostly cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 6 mph9 km/h	60%	63%	0
Mon 9p	Mostly cloudy	60°16° (likely 57°14° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 4 mph6 km/h	67%	61%	0
Mon 10p	Partly cloudy	57°14° (likely 56°13° to 58°14°)	57°14°	0%	0 mph0 km/h, gusts 4 mph6 km/h	76%	72%	0
Mon 11p	Mostly cloudy	55°13° (likely 54°12° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	81%	81%	0
Tue 12a	Mostly cloudy	53°12° (likely 53°12° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	87%	65%	0

Days ahead

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

Today, Oct 25. Cloudy. High 71°22°, low 43°6°. Typical 61°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 46°8°
  Dry
Official NWS forecast
Today: Sunny, with a high near 71. South wind around 3 mph.
Tonight: Mostly clear, with a low around 43. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
40°4°–43°6°
Typical high / low
61°16° / 38°3°
Wind
7 mph10 km/h, gusts 12 mph19 km/h
UV peak
4
Tomorrow, Oct 26. Cloudy. High 74°23°, low 47°8°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 49°9°
  Dry
Official NWS forecast
Day: Sunny, with a high near 74. Southwest wind around 2 mph.
Night: Partly cloudy, with a low around 47. Northeast wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–74°23°
Low, likely
44°7°–47°8°
Typical high / low
60°16° / 38°3°
Wind
6 mph9 km/h, gusts 12 mph19 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 70°21°, low 49°9°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 70.
Night: Mostly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–72°22°
Low, likely
46°8°–49°9°
Typical high / low
60°16° / 38°3°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 73°23°, low 50°10°. Typical 60°16° / 37°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 73.
Night: Partly cloudy, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
71°22°–73°23°
Low, likely
50°10°–52°11°
Typical high / low
60°16° / 37°3°
Wind
11 mph17 km/h, gusts 17 mph27 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 76°24°, low 50°10°. Typical 59°15° / 37°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 76.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–76°24°
Low, likely
48°9°–53°12°
Typical high / low
59°15° / 37°3°
Wind
13 mph21 km/h, gusts 23 mph36 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 75°24°, low 52°11°. Typical 59°15° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 75.
Night: Mostly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
50°10°–54°12°
Typical high / low
59°15° / 37°3°
Wind
10 mph15 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 73°23°, low 51°11°. Typical 58°14° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 58°14°
  50% chance · 0.07 in1.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 73.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
47°8°–55°13°
Typical high / low
58°14° / 36°2°
Wind
13 mph21 km/h, gusts 23 mph36 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 67°19°, low 58°14°. Typical 58°14° / 36°2°. Rain 0.39 in9.9 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  50% chance · 0.18 in4.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  50% chance · 0.1 in2.4 mm
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  40% chance · 0.03 in0.8 mm
4. Overnight
  midnight–6 AM
  Cloudy, 62°17°
  40% chance · 0.19 in4.8 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
64°18°–71°22°
Low, likely
57°14°–62°17°
Typical high / low
58°14° / 36°2°
Wind
23 mph37 km/h, gusts 37 mph60 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 67°19°, low 56°13°. Typical 57°14° / 36°2°. Rain 0.33 in8.4 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 61°16°
  40% chance · 0.08 in2.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  40% chance · 0.05 in1.2 mm
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  30% chance · 0.04 in1.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  30% chance · 0.04 in1.1 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
65°18°–69°21°
Low, likely
47°8°–60°16°
Typical high / low
57°14° / 36°2°
Wind
22 mph36 km/h, gusts 38 mph62 km/h
UV peak
3
Tuesday, Nov 3. Drizzle. High 66°19°, low 57°14°. Typical 57°14° / 35°2°. Rain 0.25 in6.4 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  20% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 59°15°
  20% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  20% chance · 0.04 in1.1 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 agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–67°19°
Low, likely
55°13°–61°16°
Typical high / low
57°14° / 35°2°
Wind
23 mph37 km/h, gusts 43 mph69 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 71°, low 43°.
Tomorrow
Dry, high 74°, low 47°, warming up.
Tuesday
Dry, high 70°, low 49°, cooling off.
Rest of week
Mostly dry, highs 66–76°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (ILN) (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

Great Miami River at Sidney

4.3 mi

Below flood stage

Level: 1.1 ft
Flow: 127 cfs

Forecast peak 1.1 ft Sun 2 AM

Reading from Sun 12:30 AM · NWS gauge page

Loramie Creek near Lockington

11 mi

Below flood stage

Level: 0.8 ft
Flow: 32 cfs

Forecast peak 0.9 ft Sun 2 AM

Reading from Sun 12:30 AM · NWS gauge page

Great Miami River at Piqua

14 mi

Below flood stage

Level: 1.3 ft
Flow: 177 cfs

Forecast peak 1.3 ft Sun 2 AM

Reading from Sun 12 AM · NWS gauge page

Great Miami River at Troy

21 mi

Below flood stage

Level: 2.5 ft
Flow: 238 cfs

Forecast peak 2.5 ft Sun 2 AM

Reading from Sun 1 AM · NWS gauge page

For your home

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

Heating this week

About 84% less heating than a typical week.

This week 19Typical 116

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 14
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 12:00 PM–8:00 PM

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

Is this typical?

SIDNEY 1 S · official normals 1991–2020 · records 1978–2026

Oct 25, today vs a typical year

Today’s expected high is 10°6° warmer than typical.

Last 7 days vs normal

On average 3°1° warmer than normal (daily mean temperature).

−3°−2°MonOct 19
+2°+1°TueOct 20
+3°+2°WedOct 21
+4°+2°ThuOct 22
+4°+2°FriOct 23
+7°+4°SatOct 24
—SunOct 25

Port Jefferson weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 44 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 26 min less
Golden hour: 6:04–6:59 PM; Morning 7:41–8:36 AM
Blue hour: 6:59–7:09 PM; Morning 7:30–7:41 AM; first light 7:30 AM

Stars tonight? Fair

Clear 1:57–7:30 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

99% lit · growing

Today: sets 7:22 AM · rises 6:08 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Port Jefferson. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Port Jefferson, OH weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Tuesday

Rest of week

What changed since yesterday

Radar

Rivers

Great Miami River at Sidney

Loramie Creek near Lockington

Great Miami River at Piqua

Great Miami River at Troy

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 25, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon