Mercer Island Weather
7°
Overcast
Mercer Island, Washington, United States
Feels like 5° · Local time 23:30
5° cooler than this time yesterday
Hour by hour
Rain likely from 2 PM, easing by 7 PM.
Now
7°
💧0%
12 AM
7°
💧1%
1 AM
7°
💧3%
2 AM
7°
💧5%
3 AM
7°
💧6%
4 AM
7°
💧9%
5 AM
7°
💧6%
6 AM
7°
💧3%
7 AM
7°
💧6%
8 AM
8°
💧4%
9 AM
8°
💧4%
10 AM
10°
💧9%
11 AM
9°
💧16%
12 PM
11°
💧14%
1 PM
11°
💧26%
2 PM
11°
💧50%
3 PM
12°
💧75%
4 PM
12°
💧89%
5 PM
12°
💧87%
6 PM
12°
💧91%
7 PM
12°
💧46%
8 PM
11°
💧26%
9 PM
11°
💧19%
10 PM
10°
💧11%
Rain radar
Loading radar…
Mercer Island 16-day weather forecast
Today
Light drizzle · 💧50%
7°14°
Monday, Nov 9
Light rain · 💧91%
7°12°
Tuesday, Nov 10
Heavy rain · 💧95%
9°12°
Wednesday, Nov 11
Drizzle · 💧40%
11°18°
Thursday, Nov 12
Overcast · 💧43%
11°16°
Friday, Nov 13
Showers · 💧89%
10°15°
Saturday, Nov 14
Light rain · 💧89%
9°11°
Sunday, Nov 15
Light showers · 💧61%
8°10°
Monday, Nov 16
Light drizzle · 💧23%
7°10°
Tuesday, Nov 17
Overcast · 💧27%
5°10°
Wednesday, Nov 18
Light drizzle · 💧27%
5°9°
Thursday, Nov 19
Light rain · 💧17%
5°7°
Friday, Nov 20
Light snow · 💧23%
4°8°
Saturday, Nov 21
Light snow · 💧32%
3°9°
Sunday, Nov 22
Dense drizzle · 💧43%
6°7°
Monday, Nov 23
Light rain · 💧45%
6°11°
Today's details
- Feels like
- 5°
- Humidity
- 76%
- Dew point
- 3°
- Wind
- 3 km/h NE
- Gusts
- 8 km/h
- Pressure
- 1019 hPa · falling
- UV index now
- 0 · max 2
- Visibility
- 19 km
- Sunrise / sunset
- 07:03 / 16:41
- Moon
- New Moon · 2% lit
Hour-by-hour detail — next 48 hours
| Time | Temp | Rain | Amount | Humidity | Wind | |
|---|---|---|---|---|---|---|
| Now | 7° | 0% | 0.0 mm | 78% | 6 km/h | |
| 12 AM 11-09 | 7° | 1% | 0.0 mm | 74% | 3 km/h | |
| 1 AM 11-09 | 7° | 3% | 0.0 mm | 73% | 2 km/h | |
| 2 AM 11-09 | 7° | 5% | 0.0 mm | 73% | 3 km/h | |
| 3 AM 11-09 | 7° | 6% | 0.0 mm | 72% | 5 km/h | |
| 4 AM 11-09 | 7° | 9% | 0.0 mm | 72% | 4 km/h | |
| 5 AM 11-09 | 7° | 6% | 0.0 mm | 70% | 1 km/h | |
| 6 AM 11-09 | 7° | 3% | 0.0 mm | 78% | 3 km/h | |
| 7 AM 11-09 | 7° | 6% | 0.0 mm | 78% | 2 km/h | |
| 8 AM 11-09 | 8° | 4% | 0.0 mm | 72% | 3 km/h | |
| 9 AM 11-09 | 8° | 4% | 0.0 mm | 70% | 5 km/h | |
| 10 AM 11-09 | 10° | 9% | 0.1 mm | 67% | 5 km/h | |
| 11 AM 11-09 | 9° | 16% | 1.0 mm | 82% | 5 km/h | |
| 12 PM 11-09 | 11° | 14% | 0.1 mm | 80% | 7 km/h | |
| 1 PM 11-09 | 11° | 26% | 0.6 mm | 78% | 8 km/h | |
| 2 PM 11-09 | 11° | 50% | 1.3 mm | 87% | 7 km/h | |
| 3 PM 11-09 | 12° | 75% | 0.8 mm | 81% | 8 km/h | |
| 4 PM 11-09 | 12° | 89% | 0.1 mm | 83% | 7 km/h | |
| 5 PM 11-09 | 12° | 87% | 0.0 mm | 82% | 8 km/h | |
| 6 PM 11-09 | 12° | 91% | 1.4 mm | 90% | 19 km/h | |
| 7 PM 11-09 | 12° | 46% | 0.0 mm | 90% | 16 km/h | |
| 8 PM 11-09 | 11° | 26% | 0.0 mm | 88% | 16 km/h | |
| 9 PM 11-09 | 11° | 19% | 0.0 mm | 89% | 15 km/h | |
| 10 PM 11-09 | 10° | 11% | 0.0 mm | 90% | 12 km/h | |
| 11 PM 11-09 | 10° | 5% | 0.0 mm | 91% | 8 km/h | |
| 12 AM 11-10 | 9° | 3% | 0.0 mm | 90% | 11 km/h | |
| 1 AM 11-10 | 10° | 3% | 0.0 mm | 91% | 12 km/h | |
| 2 AM 11-10 | 10° | 4% | 0.0 mm | 88% | 14 km/h | |
| 3 AM 11-10 | 10° | 6% | 0.0 mm | 85% | 12 km/h | |
| 4 AM 11-10 | 10° | 8% | 0.0 mm | 88% | 10 km/h | |
| 5 AM 11-10 | 10° | 15% | 0.4 mm | 89% | 7 km/h | |
| 6 AM 11-10 | 10° | 39% | 0.0 mm | 90% | 10 km/h | |
| 7 AM 11-10 | 10° | 68% | 0.7 mm | 93% | 6 km/h | |
| 8 AM 11-10 | 10° | 66% | 1.8 mm | 91% | 9 km/h | |
| 9 AM 11-10 | 11° | 93% | 0.4 mm | 91% | 6 km/h | |
| 10 AM 11-10 | 11° | 78% | 2.5 mm | 93% | 8 km/h | |
| 11 AM 11-10 | 12° | 95% | 0.7 mm | 93% | 8 km/h | |
| 12 PM 11-10 | 12° | 95% | 1.8 mm | 93% | 8 km/h | |
| 1 PM 11-10 | 12° | 95% | 8.6 mm | 98% | 5 km/h | |
| 2 PM 11-10 | 12° | 95% | 2.5 mm | 92% | 13 km/h | |
| 3 PM 11-10 | 12° | 95% | 2.6 mm | 94% | 11 km/h | |
| 4 PM 11-10 | 11° | 95% | 4.3 mm | 95% | 9 km/h | |
| 5 PM 11-10 | 10° | 73% | 2.7 mm | 94% | 12 km/h | |
| 6 PM 11-10 | 11° | 73% | 2.1 mm | 92% | 11 km/h | |
| 7 PM 11-10 | 11° | 73% | 1.7 mm | 94% | 7 km/h | |
| 8 PM 11-10 | 11° | 73% | 0.6 mm | 92% | 6 km/h | |
| 9 PM 11-10 | 11° | 73% | 0.0 mm | 90% | 5 km/h | |
| 10 PM 11-10 | 11° | 73% | 0.0 mm | 89% | 5 km/h |
Air quality in Mercer Island
52
US AQI — Moderate
PM2.5 24.0 µg/m³ · PM10 28.5 µg/m³ · O₃ 5 µg/m³
Ocean & waves
- Wave height
- 0.0 m
- Wave period
- 2 s
- Wave direction
- S
Frequently asked questions
What is the weather in Mercer Island today?
Overcast, currently 7° (feels like 5°), with a high of 14° and a low of 7°. Rain likely from 2 PM, easing by 7 PM.
What is the air quality in Mercer Island?
The air quality in Mercer Island is moderate (US AQI 52). PM2.5 is 24.0 µg/m³ and PM10 is 28.5 µg/m³.