Weather in Riverton, WA
Riverton, Sunday, 18 October, 16:30
Overcast. Feels like 56°. High 58°, low 39°.
Monthly outlook for Riverton, WA: average high 55.1°, average low 42°. That is 0° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 8 days and 3.3 inches. The warmest day looks like 19 October (61.2°), the coolest 30 October (38.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 55.3° | 56.2° | -0.5° |
| 28 October – 6 November | 54.7° | 52.7° | +1.1° |
| 7 November – 16 November | at normal | 50.3° | — |
October records over 66 years
0
Riverton, Monday, 19 October
Clear. High 61°, low 47°.
0Riverton, Tuesday, 20 October
Clear. High 58°, low 45°.
0
Riverton, Wednesday, 21 October
Partly cloudy. High 61°, low 45°.
0.06
Riverton, Thursday, 22 October
Light rain. High 54°, low 46°.
0Riverton, Friday, 23 October
Overcast. High 53°, low 43°.
0.31Riverton, Saturday, 24 October
Rain. High 49°, low 43°.
0.03Riverton, Sunday, 25 October
Light rain. High 52°, low 44°.
0
Riverton, Monday, 26 October
Mostly clear. High 54°, low 42°.
0Riverton, Tuesday, 27 October
Overcast. High 52°, low 42°.
0Riverton, Wednesday, 28 October
Partly cloudy. High 52°, low 39°.
0Riverton, Thursday, 29 October
Clear. High 53°, low 38°.
0Riverton, Friday, 30 October
Clear. High 55°, low 38°.
0Riverton, Saturday, 31 October
Overcast. High 55°, low 40°.
0Riverton, Sunday, 1 November
Clear. High 57°, low 40°.
0Riverton, Monday, 2 November
Overcast. High 56°, low 41°.
0.26Riverton, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.31Riverton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.19Riverton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.28Riverton, Friday, 6 November
Climate normal for this date — 60-year average.
0.26Riverton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.19Riverton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.24Riverton, Monday, 9 November
Climate normal for this date — 60-year average.
0.2
Riverton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.24Riverton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.26Riverton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.29Riverton, Friday, 13 November
Climate normal for this date — 60-year average.
0.29Riverton, Saturday, 14 November
Climate normal for this date — 60-year average.
0.24Riverton, Sunday, 15 November
Climate normal for this date — 60-year average.
0.23Riverton, Monday, 16 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 Riverton, 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 Riverton, 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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