Weather in Ahtanum, WA
Ahtanum, Sunday, 25 October, 01:17
Clear. Feels like 42°. High 57°, low 40°.
Monthly outlook for Ahtanum, WA: average high 51°, average low 38.6°. That is 0.6° below the climate normal for October. Precipitation is expected on 5 days (about 2.7 inches), against a normal of 5 days and 1.0 inches. The warmest day looks like 26 October (61.7°), the coolest 30 October (32.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 53.7° | 53.5° | +0.1° |
| 4 November – 13 November | 46.7° | 49.1° | -1.3° |
| 14 November – 23 November | at normal | 44.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Yakima (4 mi).
0.02
Ahtanum, Monday, 26 October
Light rain. High 62°, low 43°.
0
Ahtanum, Tuesday, 27 October
Partly cloudy. High 57°, low 41°.
0.02Ahtanum, Wednesday, 28 October
Light rain. High 52°, low 36°.
0.06Ahtanum, Thursday, 29 October
Light rain. High 48°, low 33°.
0Ahtanum, Friday, 30 October
Partly cloudy. High 50°, low 33°.
0
Ahtanum, Saturday, 31 October
Clear. High 49°, low 34°.
0Ahtanum, Sunday, 1 November
Partly cloudy. High 51°, low 34°.
0
Ahtanum, Monday, 2 November
Overcast. High 53°, low 42°.
0.01Ahtanum, Tuesday, 3 November
Light rain. High 58°, low 42°.
0.02Ahtanum, Wednesday, 4 November
Light rain. High 48°, low 41°.
0.43Ahtanum, Thursday, 5 November
Rain. High 55°, low 44°.
1.29
Ahtanum, Friday, 6 November
Snow. High 41°, low 33°.
0.32Ahtanum, Saturday, 7 November
Light rain. High 42°, low 36°.
0.52Ahtanum, Sunday, 8 November
Rain. High 44°, low 41°.
0.01Ahtanum, Monday, 9 November
Light rain. High 50°, low 44°.
0.06Ahtanum, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Ahtanum, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Ahtanum, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08
Ahtanum, Friday, 13 November
Climate normal for this date — 60-year average.
0.05Ahtanum, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Ahtanum, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Ahtanum, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Ahtanum, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Ahtanum, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.12Ahtanum, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Ahtanum, Friday, 20 November
Climate normal for this date — 60-year average.
0.07Ahtanum, Saturday, 21 November
Climate normal for this date — 60-year average.
0.09Ahtanum, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Ahtanum, Monday, 23 November
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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