Weather in Hartline, WA
Hartline, Saturday, 17 October, 16:32
Overcast. Feels like 58°. High 61°, low 40°.
Monthly outlook for Hartline, WA: average high 57.8°, average low 40.4°. That is 2.4° above the climate normal for October. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 21 October (66.1°), the coolest 18 October (31.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 61.8° | 55.7° | +3.4° |
| 27 October – 5 November | 51.1° | 49° | +1.2° |
| 6 November – 15 November | at normal | 44.9° | — |
October records over 66 years
0
Hartline, Sunday, 18 October
Clear. High 61°, low 31°.
0Hartline, Monday, 19 October
Overcast. High 60°, low 38°.
0Hartline, Tuesday, 20 October
Clear. High 66°, low 43°.
0Hartline, Wednesday, 21 October
Clear. High 66°, low 44°.
0Hartline, Thursday, 22 October
Overcast. High 63°, low 46°.
0
Hartline, Friday, 23 October
Mostly clear. High 59°, low 42°.
0Hartline, Saturday, 24 October
Overcast. High 58°, low 44°.
0Hartline, Sunday, 25 October
Overcast. High 61°, low 42°.
0Hartline, Monday, 26 October
Overcast. High 63°, low 46°.
0Hartline, Tuesday, 27 October
Overcast. High 64°, low 48°.
0.05
Hartline, Wednesday, 28 October
Light rain. High 62°, low 43°.
0.03Hartline, Thursday, 29 October
Light rain. High 51°, low 38°.
0.51Hartline, Friday, 30 October
Rain. High 42°, low 32°.
0.05Hartline, Saturday, 31 October
Light rain. High 40°, low 35°.
0Hartline, Sunday, 1 November
Overcast. High 47°, low 34°.
0.05
Hartline, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Hartline, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08
Hartline, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Hartline, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Hartline, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Hartline, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Hartline, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Hartline, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Hartline, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Hartline, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Hartline, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08Hartline, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Hartline, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Hartline, Sunday, 15 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 Hartline, 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 Hartline, 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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