Weather in Sammamish, WA
Sammamish, Saturday, 14 November, 18:00
Overcast. Feels like 52°. High 56°, low 48°.
Monthly outlook for Sammamish, WA: average high 49.2°, average low 40.4°. That is 1.4° above the climate normal for November. Precipitation is expected on 11 days (about 3.9 inches), against a normal of 10 days and 4.2 inches. The warmest day looks like 14 November (56.2°), the coolest 20 November (31°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 50.8° | 47.5° | +1.8° |
| 24 November – 3 December | 46.6° | 45° | +0.9° |
| 4 December – 13 December | at normal | 43.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Bellevue (5 mi).
0.47
Sammamish, Sunday, 15 November
Rain. High 56°, low 46°.
0.16Sammamish, Monday, 16 November
Light rain. High 51°, low 40°.
0.02Sammamish, Tuesday, 17 November
Light rain. High 50°, low 35°.
0Sammamish, Wednesday, 18 November
Overcast. High 48°, low 35°.
0
Sammamish, Thursday, 19 November
Mostly clear. High 51°, low 34°.
0
Sammamish, Friday, 20 November
Partly cloudy. High 47°, low 31°.
0.01Sammamish, Saturday, 21 November
Light rain. High 51°, low 43°.
0.14Sammamish, Sunday, 22 November
Light rain. High 47°, low 43°.
0.11Sammamish, Monday, 23 November
Light rain. High 50°, low 40°.
0.19Sammamish, Tuesday, 24 November
Light rain. High 51°, low 42°.
0.1Sammamish, Wednesday, 25 November
Light rain. High 45°, low 40°.
0.27Sammamish, Thursday, 26 November
Light rain. High 47°, low 42°.
0.4Sammamish, Friday, 27 November
Rain. High 43°, low 39°.
0.98Sammamish, Saturday, 28 November
Rain. High 46°, low 41°.
0.84Sammamish, Sunday, 29 November
Rain. High 48°, low 45°.
0.25Sammamish, Monday, 30 November
Climate normal for this date — 60-year average.
0.24Sammamish, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.31Sammamish, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.32Sammamish, Thursday, 3 December
Climate normal for this date — 60-year average.
0.26Sammamish, Friday, 4 December
Climate normal for this date — 60-year average.
0.19
Sammamish, Saturday, 5 December
Climate normal for this date — 60-year average.
0.19Sammamish, Sunday, 6 December
Climate normal for this date — 60-year average.
0.2Sammamish, Monday, 7 December
Climate normal for this date — 60-year average.
0.23Sammamish, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.27Sammamish, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.31Sammamish, Thursday, 10 December
Climate normal for this date — 60-year average.
0.27Sammamish, Friday, 11 December
Climate normal for this date — 60-year average.
0.27Sammamish, Saturday, 12 December
Climate normal for this date — 60-year average.
0.27Sammamish, Sunday, 13 December
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Sammamish, WA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Sammamish, WA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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