Cities / United States / Washington

20°

🌤️ South Lake Union weather

Mostly clear. .

Feels like 19° Wind 17 km/h SW Humidity 71% Pressure 1009 hPa UV 0 Air Good ☀ 06:28 - 19:50

Right now it is 20° in South Lake Union with mostly clear skies and today's high is 21° with an overnight low of 12°. The sun rises at 06:28 and sets at 19:50, giving 13h 22m of daylight. Over the coming week highs range from 18° to 26°.

South Lake Union is in Washington, United States, sitting 10 m above sea level. Local time is America/Los_Angeles (UTC−7), and every time on this page is shown in it.

Next 24 hours - temperature

13° 17° 21° 21° 14° 13:00 · 19.4° · 0 mm 14:00 · 19.9° · 0 mm 15:00 · 20.6° · 0 mm 16:00 · 20.9° · 0 mm 17:00 · 20.6° · 0 mm 18:00 · 20.5° · 0 mm 19:00 · 18.2° · 0 mm 20:00 · 16.9° · 0 mm 21:00 · 16.7° · 0 mm 22:00 · 16.3° · 0 mm 23:00 · 15.7° · 0 mm 00:00 · 15.5° · 0 mm 01:00 · 15.6° · 0 mm 02:00 · 14.4° · 0 mm 03:00 · 14.2° · 0 mm 04:00 · 14.7° · 0 mm 05:00 · 14.2° · 0 mm 06:00 · 13.7° · 0 mm 07:00 · 13.5° · 0 mm 08:00 · 14.5° · 0 mm 09:00 · 15.2° · 0 mm 10:00 · 17.8° · 0 mm 11:00 · 16.7° · 0 mm 12:00 · 16.9° · 0 mm

Precipitation

13:00 · 0 mm 13:00 14:00 · 0 mm 15:00 · 0 mm 16:00 · 0 mm 16:00 17:00 · 0 mm 18:00 · 0 mm 19:00 · 0 mm 19:00 20:00 · 0 mm 21:00 · 0 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm 04:00 · 0 mm 04:00 05:00 · 0 mm 06:00 · 0 mm 07:00 · 0 mm 07:00 08:00 · 0 mm 09:00 · 0 mm 10:00 · 0 mm 10:00 11:00 · 0 mm 12:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
13:00 🌤️ 19.4° 17.5° - Mostly clear
14:00 ☀️ 19.9° 18° - Clear sky
15:00 ☀️ 20.6° 18.2° - Clear sky
16:00 🌤️ 20.9° 18.2° - Mostly clear
17:00 ☁️ 20.6° 17.9° - Overcast
18:00 ☁️ 20.5° 17.9° - Overcast
19:00 ☁️ 18.2° 15.7° - Overcast
20:00 ☁️ 16.9° 14.8° - Overcast
21:00 ☁️ 16.7° 14.6° - Overcast
22:00 ☁️ 16.3° 15° - Overcast
23:00 ☁️ 15.7° 14.5° - Overcast
00:00 ☁️ 15.5° 14.4° - Overcast

Next 16 days

Today☁️ 21°12° Wed 2🌧️ 18°11°2.6mm Thu 3🌦️ 22°11°0.7mm Fri 4☁️ 20°12° Sat 5☀️ 22°10° Sun 6☀️ 24°12° Mon 7⛅ 26°13° Tue 8☁️ 19°14° Wed 9🌦️ 21°13°1.8mm Thu 10☀️ 25°11° Fri 11🌤️ 22°13° Sat 12⛅ 23°11° Sun 13☀️ 26°12° Mon 14☁️ 28°15° Tue 15⛅ 26°13° Wed 16⛅ 26°13°
☁️ TodaySeptember 1st Avg 16° Low 12° at 07:00 High 21° at 16:00 Feels 18° Wind ~18 km/h
Clear Cloudy Clear Cloudy
00:00 15°
02:00 14°
04:00 13°
06:00 12°
08:00 14°
10:00 15°
12:00 18°
14:00 20°
16:00 21°
18:00 21°
20:00 17°
22:00 16°
🌧️ WednesdaySeptember 2nd Avg 15° Low 11° at 23:00 High 18° at 10:00 2.6 mm rain Feels 16° Wind ~22 km/h
Cloudy Cloudy Partly Cloudy
00:00 16°
02:00 14°
04:00 15°
06:00 14°
08:00 15°
10:00 18°
12:00 17°
14:00 17°
16:00 16°
18:00 13° 0.4mm
20:00 12°
22:00 12°
🌦️ ThursdaySeptember 3rd Avg 14° Low 11° at 03:00 High 22° at 14:00 0.7 mm rain Feels 20° Wind ~17 km/h
Cloudy Clear Cloudy
00:00 11°
02:00 11°
04:00 11°
06:00 11° 0.4mm
08:00 12°
10:00 15°
12:00 19°
14:00 22°
16:00 15° 0.3mm
18:00 16°
20:00 13°
22:00 13°
☁️ FridaySeptember 4th Avg 15° Low 12° at 06:00 High 20° at 16:00 Feels 18° Wind ~13 km/h
Cloudy Clear
00:00 13°
02:00 13°
04:00 12°
06:00 12°
08:00 13°
10:00 16°
12:00 19°
14:00 20°
16:00 20°
18:00 19°
20:00 15°
22:00 13°
☀️ SaturdaySeptember 5th Avg 16° Low 10° at 06:00 High 22° at 16:00 Feels 19° Wind ~18 km/h
Clear Clear
00:00 12°
02:00 11°
04:00 11°
06:00 10°
08:00 12°
10:00 17°
12:00 20°
14:00 22°
16:00 22°
18:00 21°
20:00 16°
22:00 15°
☀️ SundaySeptember 6th Avg 18° Low 12° at 05:00 High 24° at 16:00 Feels 20° Wind ~17 km/h
Clear
00:00 13°
02:00 13°
04:00 12°
06:00 12°
08:00 14°
10:00 19°
12:00 23°
14:00 24°
16:00 24°
18:00 22°
20:00 18°
22:00 16°
⛅ MondaySeptember 7th Avg 19° Low 13° at 04:00 High 26° at 15:00 Feels 24° Wind ~11 km/h
Clear Partly Cloudy Clear
00:00 15°
02:00 14°
04:00 13°
06:00 13°
08:00 15°
10:00 20°
12:00 24°
14:00 26°
16:00 26°
18:00 24°
20:00 19°
22:00 17°
☁️ TuesdaySeptember 8th Avg 16° Low 14° at 02:00 High 19° at 17:00 Feels 16° Wind ~15 km/h
Clear Cloudy
00:00 15°
02:00 14°
04:00 14°
06:00 15°
08:00 15°
10:00 15°
12:00 16°
14:00 17°
16:00 18°
18:00 18°
20:00 17°
22:00 16°
🌦️ WednesdaySeptember 9th Avg 16° Low 13° at 23:00 High 21° at 15:00 1.8 mm rain Feels 19° Wind ~13 km/h
Cloudy Rain Clear
00:00 15°
02:00 14°
04:00 14°
06:00 14°
08:00 14°
10:00 15° 0.2mm
12:00 17° 0.4mm
14:00 20° 0.4mm
16:00 21°
18:00 19°
20:00 15°
22:00 13°
☀️ ThursdaySeptember 10th Avg 16° Low 11° at 05:00 High 25° at 16:00 Feels 23° Wind ~10 km/h
Clear Cloudy Clear Partly Cloudy
00:00 13°
02:00 12°
04:00 11°
06:00 11°
08:00 12°
10:00 16°
12:00 20°
14:00 23°
16:00 25°
18:00 22°
20:00 16°
22:00 14°
🌤️ FridaySeptember 11th Avg 16° Low 13° at 06:00 High 22° at 17:00 Wind ~8 km/h
Partly Cloudy Clear Clear
00:00 14°
02:00 14°
04:00 13°
06:00 13°
08:00 14°
10:00 17°
12:00 19°
14:00 20°
16:00 22°
18:00 20°
20:00 15°
22:00 14°
⛅ SaturdaySeptember 12th Avg 16° Low 11° at 04:00 High 23° at 15:00 Feels 21° Wind ~12 km/h
Clear Cloudy Partly Cloudy
00:00 13°
02:00 12°
04:00 11°
06:00 11°
08:00 13°
10:00 18°
12:00 21°
14:00 23°
16:00 23°
18:00 21°
20:00 16°
22:00 15°
☀️ SundaySeptember 13th Avg 18° Low 12° at 04:00 High 26° at 15:00 Feels 23° Wind ~13 km/h
Clear Cloudy
00:00 14°
02:00 13°
04:00 12°
06:00 13°
08:00 14°
10:00 20°
12:00 24°
14:00 26°
16:00 26°
18:00 23°
20:00 18°
22:00 17°
☁️ MondaySeptember 14th Avg 20° Low 15° at 05:00 High 28° at 16:00 Feels 26° Wind ~9 km/h
Cloudy Partly Cloudy
00:00 16°
02:00 16°
04:00 15°
06:00 15°
08:00 16°
10:00 21°
12:00 24°
14:00 27°
16:00 28°
18:00 26°
20:00 20°
22:00 18°
⛅ TuesdaySeptember 15th Avg 18° Low 13° at 05:00 High 26° at 15:00 Wind ~12 km/h
Clear Partly Cloudy Partly Cloudy
00:00 16°
02:00 14°
04:00 13°
06:00 13°
08:00 15°
10:00 19°
12:00 23°
14:00 26°
16:00 26°
18:00 23°
20:00 18°
22:00 16°
⛅ WednesdaySeptember 16th Avg 19° Low 13° at 04:00 High 26° at 15:00 Feels 23° Wind ~32 km/h
Partly Cloudy Cloudy Cloudy
00:00 15°
02:00 14°
04:00 13°
06:00 13°
08:00 15°
10:00 19°
12:00 24°
14:00 26°
16:00 26°
18:00 23°
20:00 19°
22:00 18°

Sun

☀️ Sunrise 06:28 · Sunset 19:50

13h 22m of daylight · America/Los_Angeles

Air quality

PM2.5 3.6 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Cascade · 0.2 km Denny Regrade · 0.9 km Westlake · 1 km Capitol Hill · 1.2 km Broadway · 1.3 km Belltown · 1.4 km

Tools for South Lake Union

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about South Lake Union weather

Will it rain in South Lake Union today?

No rain is in the forecast for South Lake Union today.

What is the temperature in South Lake Union right now?

It is 20° in South Lake Union right now. Today runs between a low of 12° and a high of 21°.

What time is sunrise and sunset in South Lake Union?

The sun rises at 06:28 and sets at 19:50 local time in South Lake Union today, giving 13h 22m of daylight.

What is the air quality in South Lake Union?

PM2.5 in South Lake Union is currently 3.6 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the South Lake Union forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers South Lake Union best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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