Weather in Saint Johns, ID
Saint Johns, Friday, 16 October, 18:36
Clear. Feels like 56°. High 65°, low 38°.
Monthly outlook for Saint Johns, ID: average high 55.7°, average low 41°. That is 1° above the climate normal for October. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 17 October (66.6°), the coolest 28 October (35.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 58.4° | 56.2° | +1.2° |
| 26 October – 4 November | 51.2° | 49.3° | +1° |
| 5 November – 14 November | at normal | 44.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Daniels (13 mi).
0Saint Johns, Saturday, 17 October
Clear. High 67°, low 44°.
0Saint Johns, Sunday, 18 October
Clear. High 61°, low 40°.
0Saint Johns, Monday, 19 October
Clear. High 61°, low 40°.
0.03
Saint Johns, Tuesday, 20 October
Light rain. High 61°, low 45°.
0Saint Johns, Wednesday, 21 October
Clear. High 64°, low 42°.
0.29Saint Johns, Thursday, 22 October
Light rain. High 51°, low 45°.
0.16Saint Johns, Friday, 23 October
Light rain. High 54°, low 43°.
0
Saint Johns, Saturday, 24 October
Overcast. High 49°, low 40°.
0.03Saint Johns, Sunday, 25 October
Light rain. High 52°, low 40°.
0Saint Johns, Monday, 26 October
Overcast. High 57°, low 41°.
0.37
Saint Johns, Tuesday, 27 October
Snow. High 48°, low 40°.
0
Saint Johns, Wednesday, 28 October
Mostly clear. High 51°, low 36°.
0Saint Johns, Thursday, 29 October
Overcast. High 54°, low 37°.
0.23Saint Johns, Friday, 30 October
Light rain. High 46°, low 44°.
0.15Saint Johns, Saturday, 31 October
Light rain. High 51°, low 41°.
0.04
Saint Johns, Sunday, 1 November
Climate normal for this date — 60-year average.
0.05Saint Johns, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Saint Johns, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Saint Johns, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Saint Johns, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Saint Johns, Friday, 6 November
Climate normal for this date — 60-year average.
0.08
Saint Johns, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Saint Johns, Sunday, 8 November
Climate normal for this date — 60-year average.
0.08Saint Johns, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Saint Johns, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Saint Johns, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Saint Johns, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Saint Johns, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Saint Johns, Saturday, 14 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 Saint Johns, 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 Saint Johns, 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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