Weather in Saint Johns, MT
Saint Johns, Saturday, 31 October, 12:13
Overcast. Feels like 34°. High 40°, low 34°.
Monthly outlook for Saint Johns, MT: average high 52.3°, average low 38°. That is 4.7° above the climate normal for October. Precipitation is expected on 1 day (about 0.3 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 8 November (64.2°), the coolest 5 November (28.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 50.5° | 45.3° | +2.9° |
| 10 November – 19 November | 55.3° | 40.6° | +8.2° |
| 20 November – 29 November | at normal | 34.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Simpson (13 mi).
0.29
Saint Johns, Sunday, 1 November
Rain. High 41°, low 34°.
0
Saint Johns, Monday, 2 November
Clear. High 50°, low 32°.
0
Saint Johns, Tuesday, 3 November
Partly cloudy. High 53°, low 32°.
0Saint Johns, Wednesday, 4 November
Partly cloudy. High 46°, low 30°.
0Saint Johns, Thursday, 5 November
Overcast. High 46°, low 29°.
0.02Saint Johns, Friday, 6 November
Light rain. High 52°, low 36°.
0Saint Johns, Saturday, 7 November
Partly cloudy. High 54°, low 36°.
0Saint Johns, Sunday, 8 November
Overcast. High 64°, low 49°.
0Saint Johns, Monday, 9 November
Overcast. High 59°, low 46°.
0Saint Johns, Tuesday, 10 November
Clear. High 53°, low 40°.
0Saint Johns, Wednesday, 11 November
Overcast. High 55°, low 43°.
0Saint Johns, Thursday, 12 November
Overcast. High 64°, low 45°.
0Saint Johns, Friday, 13 November
Clear. High 54°, low 43°.
0Saint Johns, Saturday, 14 November
Overcast. High 54°, low 41°.
0Saint Johns, Sunday, 15 November
Overcast. High 52°, low 37°.
0.03
Saint Johns, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Saint Johns, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.02Saint Johns, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.02Saint Johns, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Saint Johns, Friday, 20 November
Climate normal for this date — 60-year average.
0.03Saint Johns, Saturday, 21 November
Climate normal for this date — 60-year average.
0.02Saint Johns, Sunday, 22 November
Climate normal for this date — 60-year average.
0.02Saint Johns, Monday, 23 November
Climate normal for this date — 60-year average.
0.03Saint Johns, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.04Saint Johns, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.03Saint Johns, Thursday, 26 November
Climate normal for this date — 60-year average.
0.02Saint Johns, Friday, 27 November
Climate normal for this date — 60-year average.
0.02Saint Johns, Saturday, 28 November
Climate normal for this date — 60-year average.
0.02Saint Johns, Sunday, 29 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, MT 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, MT 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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