Weather in Fern Prairie, WA
Fern Prairie, Sunday, 9 August, 01:28
Mostly clear. Feels like 61°. High 83°, low 54°.
Monthly outlook for Fern Prairie, WA: average high 76.7°, average low 54.6°. That is 1.7° below the climate normal for August. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 2 days and 0.7 inches. The warmest day looks like 13 August (86°), the coolest 11 August (50.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.3° | 80.9° | -0.3° |
| 19 August – 28 August | 70.6° | 78.3° | -4.3° |
| 29 August – 7 September | at normal | 76.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Mill Plain (5 mi).
0
Fern Prairie, Monday, 10 August
Clear. High 81°, low 51°.
0Fern Prairie, Tuesday, 11 August
Clear. High 84°, low 50°.
0Fern Prairie, Wednesday, 12 August
Clear. High 81°, low 55°.
0Fern Prairie, Thursday, 13 August
Clear. High 86°, low 52°.
0
Fern Prairie, Friday, 14 August
Overcast. High 84°, low 55°.
0Fern Prairie, Saturday, 15 August
Clear. High 86°, low 55°.
0Fern Prairie, Sunday, 16 August
Overcast. High 83°, low 55°.
0.3
Fern Prairie, Monday, 17 August
Rain. High 61°, low 56°.
0Fern Prairie, Tuesday, 18 August
Overcast. High 75°, low 55°.
0Fern Prairie, Wednesday, 19 August
Light rain. High 77°, low 58°.
0.01Fern Prairie, Thursday, 20 August
Light rain. High 74°, low 60°.
0Fern Prairie, Friday, 21 August
Light rain. High 76°, low 59°.
0.51Fern Prairie, Saturday, 22 August
Rain. High 67°, low 54°.
0Fern Prairie, Sunday, 23 August
Overcast. High 73°, low 51°.
0.32Fern Prairie, Monday, 24 August
Rain. High 56°, low 52°.
0.07
Fern Prairie, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.03Fern Prairie, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.06
Fern Prairie, Thursday, 27 August
Climate normal for this date — 60-year average.
0.04Fern Prairie, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Fern Prairie, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Fern Prairie, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Fern Prairie, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Fern Prairie, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Fern Prairie, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Fern Prairie, Thursday, 3 September
Climate normal for this date — 60-year average.
0.04Fern Prairie, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Fern Prairie, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Fern Prairie, Sunday, 6 September
Climate normal for this date — 60-year average.
0.06Fern Prairie, Monday, 7 September
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 Fern Prairie, 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 Fern Prairie, 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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