Weather in Roy, ID
Roy, Wednesday, 7 October, 17:32
Clear. Feels like 77°. High 79°, low 47°.
Monthly outlook for Roy, ID: average high 55.7°, average low 38.8°. That is 3° below the climate normal for October. Precipitation is expected on 7 days (about 2.2 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 8 October (79.2°), the coolest 16 October (23°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 59.4° | 61.9° | -1.4° |
| 17 October – 26 October | 49.6° | 58.3° | -4.9° |
| 27 October – 5 November | at normal | 51.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rockland (15 mi).
0Roy, Thursday, 8 October
Clear. High 79°, low 48°.
0
Roy, Friday, 9 October
Partly cloudy. High 75°, low 47°.
0.06
Roy, Saturday, 10 October
Light rain. High 69°, low 50°.
0.47Roy, Sunday, 11 October
Rain. High 48°, low 37°.
0.27Roy, Monday, 12 October
Light rain. High 53°, low 39°.
0.08Roy, Tuesday, 13 October
Light rain. High 63°, low 38°.
0Roy, Wednesday, 14 October
Partly cloudy. High 49°, low 37°.
0.21
Roy, Thursday, 15 October
Snow. High 35°, low 29°.
0.01Roy, Friday, 16 October
Light rain. High 44°, low 23°.
0.5Roy, Saturday, 17 October
Snow. High 44°, low 37°.
0.6Roy, Sunday, 18 October
Snow. High 39°, low 35°.
0Roy, Monday, 19 October
Clear. High 51°, low 35°.
0Roy, Tuesday, 20 October
Clear. High 54°, low 39°.
0Roy, Wednesday, 21 October
Partly cloudy. High 56°, low 39°.
0
Roy, Thursday, 22 October
Mostly clear. High 54°, low 41°.
0.06Roy, Friday, 23 October
Climate normal for this date — 60-year average.
0.07
Roy, Saturday, 24 October
Climate normal for this date — 60-year average.
0.05Roy, Sunday, 25 October
Climate normal for this date — 60-year average.
0.07Roy, Monday, 26 October
Climate normal for this date — 60-year average.
0.02Roy, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Roy, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.07Roy, Thursday, 29 October
Climate normal for this date — 60-year average.
0.06Roy, Friday, 30 October
Climate normal for this date — 60-year average.
0.04Roy, Saturday, 31 October
Climate normal for this date — 60-year average.
0.03Roy, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Roy, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Roy, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Roy, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Roy, Thursday, 5 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 Roy, ID 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 Roy, ID 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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