Frost Advisory
Ends in 53 min
When
From 2 AM to 10 AM PDT Saturday.
Where
The Umpqua and Coquille valleys of Douglas and Coos counties, including Roseburg, Canyonville, Elkton, Drain, Camas Valley, Myrtle Point, and Coquille.
Issued for this forecast zone · National Weather Service Medford OR
What, impacts and precautionsHide details
What
Temperatures as low as 32 degrees will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
* View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: South Central Oregon Coast; Central Douglas County
See it on weather.gov (opens in a new tab)

Observed 8:50 AM PDT at KOTH

Winchester Bay, OR weather

Sunny and 43°6°.

Forecasts differ

Now 43°6°

Sunny

Wind: Calm; Up to 8 mph13 km/h through 9 PM
Dew point: 43°6°; Comfortable
Humidity: 91%; Air 43°6°, dew point 43°6° · fog or dew likely
UV tomorrow: 3Moderate; Moderate 12–3 PM · peak 3
Air quality: 13Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.19 inHg1022 hPa; Falling slowly · −0.04 inHg−1.4 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° cooler than this time yesterday (42°6° then, 38°3° now)

Good hours for

High 57°14° today at 4 PM
Gusts to 30 mph48 km/h tomorrow 9 AM–7 PM
Rain tomorrow from 11 AM (90%, 3.2 in81 mm)
Gusts to 26 mph42 km/h tomorrow night 9–10 PM

This morningUp to 51°11° by 11 AM · Mostly cloudy
This afternoonNear 55°13° · Mostly cloudy
TonightDown to 46°8° by midnight · Mostly cloudy
Tomorrow morningUp to 54°12° by 11 AM · Rain 11 AM–noon (40%) · gusts to 27 mph43 km/h
Tomorrow afternoonNear 56°13° · Rain all afternoon (90%) · gusts to 30 mph48 km/h
Tomorrow nightDown to 50°10° by 1 AM · Rain all night (90%) · gusts to 26 mph42 km/h
Monday morningNear 50°10° · Rain all morning (90%)

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 9a	Partly sunny	45°7° (likely 43°6° to 46°8°)	43°6°	0%	5 mph8 km/h from ENE, gusts 12 mph19 km/h	91%	69%	0
Sat 10a	Cloudy	47°8° (likely 47°8° to 50°10°)	45°7°	0%	5 mph8 km/h from ENE, gusts 13 mph21 km/h	87%	79%	1
Sat 11a	Cloudy	51°11° (likely 51°11° to 54°12°)	51°11°	0%	5 mph8 km/h from NE, gusts 11 mph18 km/h	79%	78%	1
Sat 12p	Cloudy	55°13° (likely 54°12° to 58°14°)	55°13°	0%	6 mph10 km/h from NNE, gusts 11 mph18 km/h	70%	76%	2
Sat 1p	Mostly sunny	55°13° (likely 55°13° to 61°16°)	55°13°	0%	7 mph11 km/h from N, gusts 10 mph16 km/h	71%	61%	2
Sat 2p	Cloudy	56°13° (likely 55°13° to 60°16°)	56°13°	0%	8 mph13 km/h from N, gusts 11 mph18 km/h	70%	67%	2
Sat 3p	Cloudy	56°13° (likely 54°12° to 60°16°)	56°13°	0%	8 mph13 km/h from N, gusts 13 mph21 km/h	72%	77%	2
Sat 4p	Cloudy	57°14° (likely 53°12° to 58°14°)	57°14°	0%	8 mph13 km/h from N, gusts 14 mph22 km/h	74%	80%	1
Sat 5p	Cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	0%	8 mph13 km/h from N, gusts 13 mph21 km/h	81%	81%	1
Sat 6p	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	0%	6 mph10 km/h from NNW, gusts 9 mph14 km/h	81%	81%	0
Sat 7p	Cloudy	52°11° (likely 48°9° to 52°11°)	52°11°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	87%	81%	0
Sat 8p	Cloudy	50°10° (likely 47°8° to 50°10°)	49°9°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	92%	81%	0
Sat 9p	Cloudy	48°9° (likely 45°7° to 49°9°)	48°9°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	95%	81%	0
Sat 10p	Cloudy	48°9° (likely 44°7° to 48°9°)	48°9°	0%	1 mph2 km/h from NNW, gusts 4 mph6 km/h	95%	82%	0
Sat 11p	Cloudy	47°8° (likely 44°7° to 48°9°)	47°8°	5%	1 mph2 km/h from NW, gusts 4 mph6 km/h	94%	77%	0
Sun 12a	Cloudy	46°8° (likely 44°7° to 47°8°)	46°8°	5%	2 mph3 km/h from WNW, gusts 6 mph9 km/h	95%	80%	0
Sun 1a	Cloudy	46°8° (likely 44°7° to 48°9°)	46°8°	5%	2 mph3 km/h from S, gusts 8 mph13 km/h	94%	85%	0
Sun 2a	Cloudy	46°8° (likely 44°7° to 48°9°)	45°7°	5%	3 mph5 km/h from S, gusts 8 mph13 km/h	94%	80%	0
Sun 3a	Cloudy	46°8° (likely 44°7° to 48°9°)	44°7°	5%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	93%	79%	0
Sun 4a	Cloudy	47°8° (likely 45°7° to 49°9°)	45°7°	5%	5 mph8 km/h from SSE, gusts 13 mph20 km/h	89%	78%	0
Sun 5a	Cloudy	47°8° (likely 45°7° to 50°10°)	44°7°	5%	7 mph11 km/h from S, gusts 14 mph22 km/h	88%	78%	0
Sun 6a	Cloudy	46°8° (likely 46°8° to 50°10°)	42°6°	10%	7 mph11 km/h from S, gusts 17 mph27 km/h	88%	84%	0
Sun 7a	Cloudy	47°8° (likely 47°8° to 52°11°)	44°7°	5%	7 mph11 km/h from S, gusts 18 mph30 km/h	88%	94%	0
Sun 8a	Cloudy	47°8° (likely 47°8° to 53°12°)	42°6°	5%	10 mph16 km/h from S, gusts 20 mph32 km/h	87%	97%	0
Sun 9a	Cloudy	48°9° (likely 48°9° to 54°12°)	43°6°	10%	10 mph16 km/h from S, gusts 25 mph41 km/h	94%	97%	0
Sun 10a	Cloudy	51°11° (likely 51°11° to 55°13°)	51°11°	30%	10 mph16 km/h from S, gusts 27 mph44 km/h	97%	99%	1
Sun 11a	Rain	54°12° (likely 54°12° to 56°13°)	54°12°	40%, 0.22 in5.6 mm	13 mph21 km/h from S, gusts 27 mph43 km/h	91%	100%	2
Sun 12p	Rain	56°13° (likely 53°12° to 56°13°)	56°13°	60%, 0.22 in5.6 mm	13 mph21 km/h from S, gusts 27 mph44 km/h	86%	100%	3
Sun 1p	Rain	56°13° (likely 52°11° to 56°13°)	56°13°	80%, 0.22 in5.6 mm	13 mph21 km/h from S, gusts 30 mph48 km/h	90%	100%	2
Sun 2p	Rain	56°13° (likely 52°11° to 56°13°)	56°13°	70%, 0.22 in5.6 mm	15 mph24 km/h from SSW, gusts 30 mph48 km/h	90%	100%	3
Sun 3p	Rain	57°14° (likely 51°11° to 57°14°)	57°14°	60%, 0.22 in5.6 mm	15 mph24 km/h from SSW, gusts 29 mph47 km/h	90%	98%	2
Sun 4p	Rain	56°13° (likely 51°11° to 56°13°)	56°13°	60%, 0.22 in5.6 mm	15 mph24 km/h from SSW, gusts 30 mph49 km/h	91%	93%	1
Sun 5p	Rain	55°13° (likely 51°11° to 55°13°)	55°13°	90%, 0.13 in3.3 mm	14 mph23 km/h from SSW, gusts 28 mph44 km/h	95%	92%	0
Sun 6p	Rain	55°13° (likely 51°11° to 55°13°)	55°13°	90%, 0.13 in3.3 mm	14 mph23 km/h from SSW, gusts 26 mph41 km/h	93%	76%	0
Sun 7p	Cloudy	54°12° (likely 51°11° to 54°12°)	54°12°	90%, 0.13 in3.3 mm	14 mph23 km/h from SSW, gusts 24 mph39 km/h	94%	84%	0
Sun 8p	Cloudy	52°11° (likely 51°11° to 53°12°)	52°11°	90%, 0.13 in3.3 mm	13 mph21 km/h from SSW, gusts 25 mph40 km/h	97%	98%	0
Sun 9p	Rain	51°11° (likely 51°11° to 53°12°)	51°11°	90%, 0.13 in3.3 mm	13 mph21 km/h from SSW, gusts 26 mph41 km/h	98%	94%	0
Sun 10p	Rain	51°11° (likely 51°11° to 53°12°)	51°11°	90%, 0.13 in3.3 mm	13 mph21 km/h from SSW, gusts 24 mph38 km/h	99%	100%	0
Sun 11p	Rain	51°11° (likely 51°11° to 52°11°)	51°11°	90%, 0.13 in3.3 mm	14 mph23 km/h from S, gusts 24 mph39 km/h	99%	100%	0
Mon 12a	Rain	51°11° (likely 51°11° to 52°11°)	51°11°	90%, 0.13 in3.3 mm	14 mph23 km/h from S, gusts 23 mph37 km/h	99%	98%	0
Mon 1a	Rain	50°10° (likely 50°10° to 52°11°)	45°7°	90%, 0.13 in3.3 mm	14 mph23 km/h from S, gusts 24 mph38 km/h	99%	78%	0
Mon 2a	Drizzle	50°10° (likely 50°10° to 52°11°)	46°8°	90%, 0.13 in3.3 mm	10 mph16 km/h from S, gusts 22 mph36 km/h	99%	95%	0
Mon 3a	Rain	50°10° (likely 50°10° to 52°11°)	46°8°	90%, 0.13 in3.3 mm	10 mph16 km/h from S, gusts 20 mph32 km/h	99%	95%	0
Mon 4a	Drizzle	50°10° (likely 50°10° to 52°11°)	46°8°	90%, 0.13 in3.3 mm	10 mph16 km/h from S, gusts 20 mph31 km/h	98%	97%	0
Mon 5a	Rain	50°10° (likely 49°9° to 52°11°)	47°8°	90%, 0.08 in2 mm	8 mph13 km/h from S, gusts 20 mph32 km/h	98%	95%	0
Mon 6a	Rain	50°10° (likely 49°9° to 52°11°)	47°8°	90%, 0.08 in2 mm	8 mph13 km/h from S, gusts 20 mph32 km/h	98%	98%	0
Mon 7a	Rain	50°10° (likely 48°9° to 52°11°)	47°8°	90%, 0.08 in2 mm	8 mph13 km/h from S, gusts 21 mph34 km/h	99%	99%	0
Mon 8a	Rain	50°10° (likely 49°9° to 52°11°)	46°8°	90%, 0.08 in2 mm	10 mph16 km/h from S, gusts 22 mph36 km/h	99%	98%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Cloudy. High 58°14°, low 45°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 58, with temperatures falling to around 55 in the afternoon. North northeast wind 5 to 8 mph.
Tonight: Patchy fog after 8pm. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. West wind 1 to 7 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–62°17°
Low, likely
40°4°–45°7°
Wind
10 mph16 km/h, gusts 17 mph28 km/h
UV peak
3
Tomorrow, Oct 25. Rain. High 58°14°, low 49°9°. Rain 0.87 in22 mm, 90% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Rain, 47°8°
  40% chance · 0.22 in5.6 mm
2. Afternoon
  noon–6 PM
  Rain, 57°14°
  90% chance · 1.2 in31 mm
3. Evening
  6 PM–midnight
  Rain, 52°11°
  90% chance · 0.78 in20 mm
4. Overnight
  midnight–6 AM
  Rain, 50°10°
  90% chance · 0.73 in19 mm
Official NWS forecast
Day: Patchy fog before 10am, then rain between 10am and 5pm, then rain and patchy fog. Mostly cloudy. High near 58, with temperatures falling to around 55 in the afternoon. South southwest wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain and patchy fog. Cloudy, with a low around 49. South southwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
54°12°–58°14°
Low, likely
43°6°–49°9°
Wind
20 mph33 km/h, gusts 40 mph64 km/h
UV peak
3
Monday, Oct 26. Rain. High 56°13°, low 47°8°. Rain 0.58 in15 mm, 90% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 50°10°
  90% chance · 0.32 in8.2 mm
2. Afternoon
  noon–6 PM
  Showers, 55°13°
  90% chance · 0.12 in3 mm
3. Evening
  6 PM–midnight
  Drizzle, 52°11°
  70% chance · 0.04 in1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 51°10°
  60% chance · 0.04 in1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain and patchy fog. Mostly cloudy, with a high near 56. South southwest wind 7 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–57°14°
Low, likely
47°8°–52°11°
Wind
15 mph24 km/h, gusts 28 mph45 km/h
UV peak
4
Tuesday, Oct 27. Rain. High 57°14°, low 45°7°. Rain 0.15 in3.8 mm, 20% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Rain, 50°10°
  50% chance · 0.04 in1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 54°12°
  40% chance · 0.07 in1.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 48°9°
  20% chance
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain before 5pm. Mostly cloudy, with a high near 57.
Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 45.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
53°12°–57°14°
Low, likely
44°7°–50°10°
Wind
10 mph17 km/h, gusts 20 mph32 km/h
UV peak
2
Wednesday, Oct 28. Rain. High 57°14°, low 45°7°. Rain 0.14 in3.6 mm, 50% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 44°7°
  50% chance · 0.07 in1.7 mm
2. Afternoon
  noon–6 PM
  Drizzle, 54°12°
  50% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 47°8°
  50% chance · 0.04 in1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 44°7°
  50% chance · 0.06 in1.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 57. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain. Mostly cloudy, with a low around 45.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
53°12°–57°14°
Low, likely
39°4°–49°9°
Wind
12 mph19 km/h, gusts 27 mph44 km/h
UV peak
2
Thursday, Oct 29. Rain. High 56°13°, low 44°7°. Rain 0.31 in7.9 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 43°6°
  60% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 52°11°
  60% chance · 0.11 in2.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 46°8°
  50% chance · 0.08 in2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 44°7°
  40% chance · 0.06 in1.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 56.
Night: A slight chance of rain. Mostly cloudy, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–56°13°
Low, likely
39°4°–48°9°
Wind
13 mph20 km/h, gusts 20 mph32 km/h
UV peak
3
Friday, Oct 30. Drizzle. High 57°14°, low 44°7°. Rain 0.18 in4.6 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 44°7°
  30% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 51°11°
  30% chance · 0.08 in2 mm
3. Evening
  6 PM–midnight
  Clear, 45°7°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Mostly clear, 40°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain before 11am. Partly sunny, with a high near 57.
Night: Mostly cloudy, with a low around 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–57°14°
Low, likely
39°4°–46°8°
Wind
10 mph16 km/h, gusts 22 mph35 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 52°11°, low 41°5°. Rain 0.13 in3.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 53°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 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°–59°15°
Low, likely
37°3°–44°7°
Wind
10 mph16 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 57°14°, low 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  20% chance
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
50°10°–68°20°
Low, likely
35°2°–49°9°
Wind
10 mph16 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 56°13°, low 44°7°. Rain 0.19 in4.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  20% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  30% chance · 0.07 in1.7 mm
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  30% chance · 0.01 in0.3 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
49°9°–66°19°
Low, likely
41°5°–48°9°
Wind
11 mph17 km/h, gusts 21 mph33 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 58°, low 45°.
Tomorrow
89% chance of rain, high 58°, low 49°.
Monday
85% chance of rain, high 56°, low 47°.
Rest of week
Highs 52–57°; chance of precipitation on Wednesday.

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

Umpqua River at Reedsport

5.2 mi

Below flood stage

Level: 7.3 ft

Forecast peak 14.0 ft Tue 2 PM

Reading from Sat 7:30 AM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 36 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 41 min less
Golden hour: 5:38–6:36 PM; Morning 7:24–8:22 AM
Blue hour: 6:36–6:48 PM; Morning 7:13–7:24 AM; first light 7:13 AM

Stars tonight? Poor

Clouds most of the night (about 82% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:01 AM · rises 5:19 PM
Full moon: Oct 25
New moon: Nov 8

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

1 active weather alert

Frost Advisory

Winchester Bay, OR weather

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