Weather in Truly, MT
Truly, Saturday, 10 October, 16:09
Snow. Feels like 24°. High 55°, low 33°.
Monthly outlook for Truly, MT: average high 54.4°, average low 37.2°. That is 1.7° below the climate normal for October. Precipitation is expected on 3 days (about 1.4 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 24 October (74°), the coolest 12 October (24.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 47.9° | 58.1° | -5.7° |
| 20 October – 29 October | 65.3° | 54.8° | +5.8° |
| 30 October – 8 November | at normal | 48.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Ulm (6 mi).
0.74Truly, Sunday, 11 October
Snow. High 35°, low 32°.
0.31Truly, Monday, 12 October
Snow. High 34°, low 24°.
0
Truly, Tuesday, 13 October
Clear. High 39°, low 24°.
0Truly, Wednesday, 14 October
Clear. High 46°, low 26°.
0Truly, Thursday, 15 October
Clear. High 51°, low 30°.
0Truly, Friday, 16 October
Clear. High 40°, low 31°.
0
Truly, Saturday, 17 October
Partly cloudy. High 51°, low 30°.
0
Truly, Sunday, 18 October
Overcast. High 65°, low 40°.
0Truly, Monday, 19 October
Overcast. High 63°, low 50°.
0Truly, Tuesday, 20 October
Overcast. High 57°, low 48°.
0Truly, Wednesday, 21 October
Overcast. High 54°, low 42°.
0
Truly, Thursday, 22 October
Mostly clear. High 62°, low 36°.
0Truly, Friday, 23 October
Mostly clear. High 72°, low 46°.
0Truly, Saturday, 24 October
Overcast. High 74°, low 50°.
0Truly, Sunday, 25 October
Overcast. High 73°, low 53°.
0.05Truly, Monday, 26 October
Climate normal for this date — 60-year average.
0.04Truly, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.04Truly, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.04Truly, Thursday, 29 October
Climate normal for this date — 60-year average.
0.02Truly, Friday, 30 October
Climate normal for this date — 60-year average.
0.03Truly, Saturday, 31 October
Climate normal for this date — 60-year average.
0.03Truly, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Truly, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Truly, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Truly, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Truly, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Truly, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Truly, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Truly, Sunday, 8 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 Truly, 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 Truly, 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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