Tomorrow in Seattle: Cool and mostly clear, high of 12°
Sunday 1 November at Seattle–Tacoma International Airport (SEA), United States
Tomorrow at SEA
High12°
Likely 10°–14°
Mostly sunny
Low 4°, likely 3°–6°
7% chance of rain
Wind up to 14 km/h
Humidity 82%
Through the day
Times are local; night hours are shaded. The line is a sketch, not an hour-by-hour forecast: this airport's typical daily temperature cycle, scaled to tomorrow's high and low.
Tomorrow's high should be close to the normal high for 1 November. Rain is less likely than usual: 7% against a normal 61% for the date. Watch for fog, especially early (35%).
How sure we are
Shaded: the likely range (an 80% range). In our tests, eight days in ten ended inside it.
Right now at SEA
4°, fog, calm.
Latest airport report, 10:00 local time.
The details
Chance of rain
7% normal 61%
Chance of thunder
1% or less
Chance of fog
35%
Strongest wind
14 km/h
Strongest gust
15 km/h
Average humidity
82%
Daytime sky
Mostly clear
Chances are for the local day. Rain means rain, drizzle or snow in at least one hourly airport report; fog means fog or visibility under 1 km in at least one. "Normal" is this airport's usual chance for the date. Wind and gust are the strongest of the day.
How our forecasts did here
Each band is the forecast high ±2°, each dot what the airport measured. Highs more than 2° off are in bold. Rained means rain or snow was reported that day.
Day
High forecast
High measured
Where it landed
Low forecast
Low measured
Rain chance
Rained
Fri 30 Oct
11°
9°
6°
7°
91%
Yes
Thu 29 Oct
11°
13°
6°
6°
95%
Yes
Wed 28 Oct
11°
12°
7°
7°
89%
Yes
Tue 27 Oct
13°
13°
8°
9°
92%
Yes
Sun 25 Oct
13°
14°
8°
8°
88%
Yes
Fri 23 Oct
13°
14°
7°
7°
31%
No
Thu 22 Oct
15°
16°
9°
8°
54%
Yes
Wed 21 Oct
18°
18°
8°
6°
17%
No
Tue 20 Oct
16°
17°
7°
8°
14%
No
Sun 18 Oct
16°
14°
7°
6°
9%
No
Sat 17 Oct
19°
16°
11°
11°
55%
Yes
Fri 16 Oct
21°
24°
10°
8°
11%
No
Thu 15 Oct
20°
19°
9°
10°
4%
No
Wed 14 Oct
16°
18°
9°
13°
48%
Yes
The forecast high was within 2° on 11 of the last 14 scored days. Days that could not be scored are left out. Forecasts before 27 October did not yet use ECMWF and were less accurate on average.
"Measured" is the highest and lowest hourly airport report of the local day. Official daily highs and lows can differ a little: at US airports the official high averages about 0.4° higher and the official low about 0.5° lower. More