Observed 2:15 PM PDT at KPAE

Startup, WA weather

Overcast and 50°10°.

Mostly agree

Now 50°10°

Cloudy

Wind: 3 mph5 km/h; From the northwest. Light through 2 AM
Dew point: 39°4°; Comfortable · up to 48°9° by 4 PM
UV tomorrow: 2Low; Low all day (peak 2)
Air quality: 53Moderate; PM2.5 (fine particles) · tomorrow good
Pressure: 30.13 inHg1020 hPa; Falling · −0.06 inHg−2.1 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 55°13° today at 3 PM
Low 44°7° tomorrow at 7 AM

This afternoonNear 54°12° · Cloudy
TonightDown to 45°7° by 5 AM · rain chance 30% · Cloudy
Tomorrow morningNear 46°8° · Cloudy · rain chance 30%
Tomorrow afternoonUp to 57°14° by 4 PM · Cloudy · rain chance 20%
Tomorrow nightDown to 45°7° by 4 AM · rain chance 10% · Cloudy
Monday morningNear 46°8° · rain chance 10% · 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 2p	Cloudy	53°12° (likely 48°9° to 53°12°)	53°12°	5%	0 mph0 km/h, gusts 3 mph5 km/h	76%	83%	2
Sat 3p	Cloudy	55°13° (likely 48°9° to 55°13°)	55°13°	5%	0 mph0 km/h, gusts 4 mph6 km/h	74%	91%	1
Sat 4p	Cloudy	55°13° (likely 48°9° to 55°13°)	55°13°	5%	0 mph0 km/h, gusts 3 mph4 km/h	77%	97%	0
Sat 5p	Cloudy	55°13° (likely 48°9° to 55°13°)	55°13°	5%	0 mph0 km/h, gusts 3 mph4 km/h	75%	97%	1
Sat 6p	Cloudy	53°12° (likely 46°8° to 53°12°)	53°12°	5%	0 mph0 km/h, gusts 3 mph4 km/h	76%	88%	0
Sat 7p	Cloudy	51°11° (likely 45°7° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 2 mph4 km/h	78%	89%	0
Sat 8p	Cloudy	49°9° (likely 45°7° to 49°9°)	49°9°	0%	1 mph2 km/h from E, gusts 2 mph4 km/h	76%	86%	0
Sat 9p	Cloudy	47°8° (likely 44°7° to 49°9°)	47°8°	0%	2 mph3 km/h from ENE, gusts 3 mph5 km/h	77%	92%	0
Sat 10p	Cloudy	47°8° (likely 44°7° to 48°9°)	47°8°	0%	2 mph3 km/h from ENE, gusts 3 mph4 km/h	74%	90%	0
Sat 11p	Cloudy	47°8° (likely 44°7° to 48°9°)	47°8°	5%	2 mph3 km/h from ENE, gusts 2 mph3 km/h	74%	96%	0
Sun 12a	Cloudy	47°8° (likely 44°7° to 48°9°)	46°8°	5%	3 mph5 km/h from NNE, gusts 2 mph4 km/h	74%	93%	0
Sun 1a	Cloudy	47°8° (likely 44°7° to 48°9°)	46°8°	5%	3 mph5 km/h from NE, gusts 2 mph3 km/h	72%	89%	0
Sun 2a	Cloudy	46°8° (likely 45°7° to 48°9°)	45°7°	5%	3 mph5 km/h from NE, gusts 3 mph6 km/h	74%	95%	0
Sun 3a	Mostly cloudy	46°8° (likely 45°7° to 48°9°)	45°7°	5%	3 mph5 km/h from ENE, gusts 2 mph4 km/h	75%	56%	0
Sun 4a	Partly cloudy	46°8° (likely 45°7° to 48°9°)	45°7°	5%	3 mph5 km/h from E, gusts 5 mph8 km/h	76%	79%	0
Sun 5a	Cloudy	45°7° (likely 44°7° to 48°9°)	44°7°	30%, 0.01 in0.3 mm	3 mph5 km/h from ENE, gusts 5 mph8 km/h	77%	93%	0
Sun 6a	Cloudy	45°7° (likely 44°7° to 48°9°)	44°7°	30%, 0.01 in0.3 mm	3 mph5 km/h from E, gusts 3 mph4 km/h	77%	91%	0
Sun 7a	Rain	44°7° (likely 44°7° to 47°8°)	42°6°	30%, 0.01 in0.3 mm	3 mph5 km/h from ENE, gusts 4 mph6 km/h	79%	90%	0
Sun 8a	Rain	44°7° (likely 44°7° to 47°8°)	42°6°	30%, 0.01 in0.3 mm	3 mph5 km/h from ENE, gusts 5 mph8 km/h	82%	87%	0
Sun 9a	Rain	44°7° (likely 44°7° to 48°9°)	42°6°	30%, 0.01 in0.3 mm	3 mph5 km/h from E, gusts 5 mph8 km/h	83%	97%	0
Sun 10a	Rain	46°8° (likely 46°8° to 50°10°)	46°8°	20%, 0.01 in0.3 mm	1 mph2 km/h from ESE, gusts 5 mph8 km/h	86%	85%	1
Sun 11a	Rain	46°8° (likely 46°8° to 52°11°)	46°8°	20%	0 mph0 km/h, gusts 7 mph12 km/h	95%	94%	1
Sun 12p	Rain	50°10° (likely 48°9° to 54°12°)	50°10°	20%	0 mph0 km/h, gusts 4 mph6 km/h	88%	98%	2
Sun 1p	Rain	54°12° (likely 50°10° to 56°13°)	54°12°	20%	0 mph0 km/h, gusts 8 mph13 km/h	84%	100%	2
Sun 2p	Cloudy	55°13° (likely 50°10° to 57°14°)	55°13°	20%	0 mph0 km/h, gusts 7 mph11 km/h	81%	99%	2
Sun 3p	Drizzle	56°13° (likely 50°10° to 58°14°)	56°13°	10%	0 mph0 km/h, gusts 5 mph7 km/h	79%	100%	1
Sun 4p	Cloudy	57°14° (likely 50°10° to 57°14°)	57°14°	10%	0 mph0 km/h, gusts 6 mph10 km/h	81%	100%	1
Sun 5p	Drizzle	56°13° (likely 49°9° to 56°13°)	56°13°	10%	0 mph0 km/h, gusts 7 mph11 km/h	79%	100%	0
Sun 6p	Drizzle	54°12° (likely 49°9° to 54°12°)	54°12°	10%	0 mph0 km/h, gusts 7 mph11 km/h	81%	100%	0
Sun 7p	Drizzle	52°11° (likely 48°9° to 52°11°)	52°11°	10%	0 mph0 km/h, gusts 6 mph9 km/h	84%	96%	0
Sun 8p	Drizzle	49°9° (likely 47°8° to 52°11°)	48°9°	5%	3 mph5 km/h from E, gusts 6 mph9 km/h	83%	91%	0
Sun 9p	Cloudy	48°9° (likely 47°8° to 53°12°)	47°8°	10%	3 mph5 km/h from E, gusts 6 mph10 km/h	85%	89%	0
Sun 10p	Mostly cloudy	47°8° (likely 46°8° to 54°12°)	46°8°	10%	3 mph5 km/h from E, gusts 4 mph7 km/h	83%	86%	0
Sun 11p	Cloudy	47°8° (likely 45°7° to 53°12°)	47°8°	0%	2 mph3 km/h from E, gusts 3 mph4 km/h	85%	94%	0
Mon 12a	Cloudy	47°8° (likely 44°7° to 52°11°)	47°8°	5%	2 mph3 km/h from E, gusts 3 mph5 km/h	85%	99%	0
Mon 1a	Cloudy	47°8° (likely 44°7° to 51°11°)	47°8°	10%	2 mph3 km/h from E, gusts 6 mph9 km/h	83%	92%	0
Mon 2a	Cloudy	46°8° (likely 44°7° to 50°10°)	46°8°	10%	1 mph2 km/h from E, gusts 3 mph5 km/h	86%	96%	0
Mon 3a	Cloudy	46°8° (likely 43°6° to 50°10°)	46°8°	10%	1 mph2 km/h from E, gusts 3 mph5 km/h	88%	98%	0
Mon 4a	Mostly cloudy	45°7° (likely 44°7° to 49°9°)	45°7°	10%	1 mph2 km/h from E, gusts 4 mph6 km/h	89%	93%	0
Mon 5a	Cloudy	45°7° (likely 44°7° to 49°9°)	45°7°	10%	1 mph2 km/h from E, gusts 3 mph4 km/h	91%	97%	0
Mon 6a	Cloudy	44°7° (likely 44°7° to 49°9°)	44°7°	10%	1 mph2 km/h from E, gusts 5 mph8 km/h	89%	80%	0
Mon 7a	Cloudy	43°6° (likely 43°6° to 49°9°)	43°6°	10%	1 mph2 km/h from E, gusts 5 mph8 km/h	90%	76%	0
Mon 8a	Cloudy	43°6° (likely 43°6° to 49°9°)	43°6°	10%	0 mph0 km/h, gusts 6 mph10 km/h	93%	88%	0
Mon 9a	Cloudy	44°7° (likely 44°7° to 49°9°)	44°7°	10%	0 mph0 km/h, gusts 4 mph7 km/h	96%	84%	0
Mon 10a	Cloudy	45°7° (likely 45°7° to 52°11°)	45°7°	10%	0 mph0 km/h, gusts 3 mph5 km/h	99%	89%	1
Mon 11a	Cloudy	47°8° (likely 47°8° to 54°12°)	47°8°	10%	0 mph0 km/h, gusts 4 mph7 km/h	100%	88%	1
Mon 12p	Mostly cloudy	49°9° (likely 49°9° to 57°14°)	49°9°	10%	0 mph0 km/h, gusts 3 mph5 km/h	99%	82%	1
Mon 1p	Mostly cloudy	52°11° (likely 51°11° to 58°14°)	52°11°	10%	0 mph0 km/h, gusts 4 mph7 km/h	96%	71%	2

Days ahead

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

Today, Oct 24. Cloudy. High 57°14°, low 44°7°. Typical 59°15° / 40°4°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 49°9°
  Dry
3. Overnight
  midnight–6 AM
  Mostly cloudy, 45°7°
  30% chance · 0.01 in0.3 mm
Official NWS forecast
Today: Mostly cloudy. High near 57, with temperatures falling to around 55 in the afternoon. Wind around 0 mph.
Tonight: A chance of rain after 5am. Mostly cloudy, with a low around 44. East northeast wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–57°14°
Low, likely
35°2°–44°7°
Typical high / low
59°15° / 40°4°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
2
Tomorrow, Oct 25. Drizzle. High 59°15°, low 43°6°. Typical 58°14° / 40°4°. Rain 0.16 in4.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 44°7°
  30% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 57°14°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Official NWS forecast
Day: A chance of rain before 3pm. Partly sunny. High near 59, with temperatures falling to around 56 in the afternoon. East northeast wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Night: Cloudy, with a low around 43. East northeast wind 0 to 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–59°15°
Low, likely
43°6°–47°8°
Typical high / low
58°14° / 40°4°
Wind
10 mph15 km/h, gusts 27 mph43 km/h
UV peak
2
Monday, Oct 26. Rain. High 58°14°, low 45°7°. Typical 58°14° / 40°4°. Rain 0.08 in2 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 48°9°
  20% chance
4. Overnight
  midnight–6 AM
  Drizzle, 48°9°
  50% chance · 0.03 in0.8 mm
Official NWS forecast
Day: A chance of rain after 5pm. Mostly cloudy, with a high near 58. Northeast wind around 1 mph. Chance of precipitation is 30%.
Night: Rain likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–58°14°
Low, likely
42°6°–46°8°
Typical high / low
58°14° / 40°4°
Wind
6 mph10 km/h, gusts 17 mph27 km/h
UV peak
2
Tuesday, Oct 27. Rain. High 54°12°, low 42°6°. Typical 58°14° / 40°4°. Rain 0.37 in9.4 mm, 70% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 48°9°
  70% chance · 0.12 in3.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 53°12°
  70% chance · 0.07 in1.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 49°10°
  70% chance · 0.05 in1.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 47°8°
  90% chance · 0.14 in3.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Cloudy, with a high near 54.
Night: Rain. Cloudy, with a low around 42.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–55°13°
Low, likely
42°6°–48°9°
Typical high / low
58°14° / 40°4°
Wind
10 mph16 km/h, gusts 25 mph40 km/h
UV peak
3
Wednesday, Oct 28. Rain. High 52°11°, low 38°3°. Typical 57°14° / 40°4°. Rain 0.84 in21 mm, 90% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 46°8°
  90% chance · 0.29 in7.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 50°10°
  90% chance · 0.23 in5.7 mm
3. Evening
  6 PM–midnight
  Showers, 45°7°
  80% chance · 0.21 in5.3 mm
4. Overnight
  midnight–6 AM
  Showers, 43°6°
  60% chance · 0.16 in4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain. Cloudy, with a high near 52.
Night: Rain. Mostly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–52°11°
Low, likely
38°3°–45°7°
Typical high / low
57°14° / 40°4°
Wind
8 mph14 km/h, gusts 22 mph35 km/h
UV peak
2
Thursday, Oct 29. Rain. High 52°11°, low 36°2°. Typical 57°14° / 39°4°. Rain 0.42 in11 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Showers, 41°5°
  50% chance · 0.18 in4.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 46°8°
  50% chance · 0.11 in2.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 41°5°
  40% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Cloudy, 39°4°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 52.
Night: A chance of rain before 5am. Mostly cloudy, with a low around 36.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
45°7°–52°11°
Low, likely
36°2°–40°4°
Typical high / low
57°14° / 39°4°
Wind
6 mph10 km/h, gusts 23 mph36 km/h
Friday, Oct 30. Rain. High 53°12°, low 34°1°. Typical 57°14° / 39°4°. Rain 0.05 in1.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 49°9°
  20% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain between 11am and 5pm. Partly sunny, with a high near 53.
Night: Mostly cloudy, with a low around 34.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–53°12°
Low, likely
34°1°–40°4°
Typical high / low
57°14° / 39°4°
Wind
4 mph6 km/h, gusts 15 mph25 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 49°9°, low 36°2°. Typical 56°13° / 39°4°. Rain 0.06 in1.5 mm, 20% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 49°10°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 39°4°
  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 agreeIndependent forecasts are close; the range is narrow.
High, likely
48°9°–50°10°
Low, likely
32°0°–37°3°
Typical high / low
56°13° / 39°4°
Wind
6 mph9 km/h, gusts 13 mph21 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 51°11°, low 38°3°. Typical 56°13° / 39°4°. Rain 0.78 in20 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  20% chance · 0.19 in4.8 mm
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  20% chance · 0.32 in8 mm
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  20% chance · 0.5 in13 mm
4. Overnight
  midnight–6 AM
  Cloudy, 44°7°
  20% chance · 0.28 in7.1 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
48°9°–55°13°
Low, likely
34°1°–44°7°
Typical high / low
56°13° / 39°4°
Wind
9 mph14 km/h, gusts 34 mph55 km/h
Monday, Nov 2. Cloudy. High 55°13°, low 39°4°. Typical 56°13° / 39°4°. Rain 0.36 in9.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  20% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  30% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  30% 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
49°9°–61°16°
Low, likely
38°3°–43°6°
Typical high / low
56°13° / 39°4°
Wind
9 mph15 km/h, gusts 33 mph54 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 57°, low 44°.
Tomorrow
Dry, high 59°, low 43°.
Monday
Dry, high 58°, low 45°.
Rest of week
Highs 49–55°; chance of precipitation on Tuesday, Wednesday, Thursday.

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

Skykomish River near Gold Bar

4.8 mi

Below flood stage

Level: 4.2 ft
Flow: 398 cfs

Forecast peak 5.2 ft Tue 4 AM

Reading from Sat 12:30 PM · NWS gauge page

Snohomish River near Monroe

14 mi

Below flood stage

Level: 0.1 ft
Flow: 1,460 cfs

Forecast peak 1.2 ft Thu 5 AM

Reading from Sat 1:15 PM · NWS gauge page

Pilchuck River near Snohomish

15 mi

Below flood stage

Level: 9.9 ft
Flow: 51 cfs

Forecast peak 10.3 ft Wed 5 PM

Reading from Sat 12:45 PM · NWS gauge page

Snoqualmie River near Carnation

16 mi

Below flood stage

Level: 44.4 ft
Flow: 468 cfs

Forecast peak 45.5 ft Thu 5 AM

Reading from Sat 12:15 PM · NWS gauge page

For your home

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

Heating this week

About 71% less heating than a typical week.

This week 33Typical 114

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 29
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 39°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?

Startup 1 E · official normals 1991–2020 · records 1924–2026

Oct 24, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 22 min; Losing 3 min 17 s a day; shortest Dec 21, 1 h 59 min less
Golden hour: 5:18–6:21 PM; Morning 7:20–8:23 AM
Blue hour: 6:21–6:33 PM; Morning 7:08–7:20 AM; first light 7:08 AM

Stars tonight? Poor

Clouds most of the night (about 88% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:55 AM · rises 5:03 PM
Full moon: Oct 25
New moon: Nov 8

Looking east from Startup. The highest point on the skyline is about 6,700 ft, 34 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.

Startup, WA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Skykomish River near Gold Bar

Snohomish River near Monroe

Pilchuck River near Snohomish

Snoqualmie River near Carnation

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? Poor

Moon