Weather in Ahtanum, WA
Ahtanum, Saturday, 14 November, 21:43
Overcast. Feels like 38°. High 53°, low 43°.
Monthly outlook for Ahtanum, WA: average high 44.8°, average low 36.6°. That is 1.1° above the climate normal for November. Precipitation is expected on 7 days (about 1.4 inches), against a normal of 5 days and 1.2 inches. The warmest day looks like 14 November (52.8°), the coolest 17 November (31.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 46.2° | 44.3° | +1° |
| 24 November – 3 December | 42.5° | 39.8° | +1.5° |
| 4 December – 13 December | at normal | 37.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Yakima (4 mi).
0.06
Ahtanum, Sunday, 15 November
Light rain. High 48°, low 37°.
0Ahtanum, Monday, 16 November
Light rain. High 47°, low 33°.
0
Ahtanum, Tuesday, 17 November
Clear. High 46°, low 32°.
0.06Ahtanum, Wednesday, 18 November
Light rain. High 42°, low 36°.
0Ahtanum, Thursday, 19 November
Overcast. High 48°, low 36°.
0
Ahtanum, Friday, 20 November
Partly cloudy. High 44°, low 32°.
0Ahtanum, Saturday, 21 November
Overcast. High 45°, low 40°.
0.02Ahtanum, Sunday, 22 November
Light rain. High 44°, low 39°.
0.04Ahtanum, Monday, 23 November
Light rain. High 46°, low 40°.
0.32Ahtanum, Tuesday, 24 November
Rain. High 44°, low 40°.
0.01Ahtanum, Wednesday, 25 November
Light rain. High 45°, low 35°.
0Ahtanum, Thursday, 26 November
Light rain. High 48°, low 35°.
0.47
Ahtanum, Friday, 27 November
Snow. High 39°, low 34°.
0.36Ahtanum, Saturday, 28 November
Snow. High 37°, low 35°.
0.04Ahtanum, Sunday, 29 November
Light rain. High 42°, low 36°.
0.1Ahtanum, Monday, 30 November
Climate normal for this date — 60-year average.
0.11
Ahtanum, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.16Ahtanum, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.11Ahtanum, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Ahtanum, Friday, 4 December
Climate normal for this date — 60-year average.
0.06Ahtanum, Saturday, 5 December
Climate normal for this date — 60-year average.
0.08Ahtanum, Sunday, 6 December
Climate normal for this date — 60-year average.
0.07Ahtanum, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Ahtanum, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.12Ahtanum, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.12Ahtanum, Thursday, 10 December
Climate normal for this date — 60-year average.
0.09Ahtanum, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Ahtanum, Saturday, 12 December
Climate normal for this date — 60-year average.
0.09Ahtanum, 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 Ahtanum, 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 Ahtanum, 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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