Weather in Truly, MT
Truly, Thursday, 15 October, 09:17
Clear. Feels like 37°. High 45°, low 38°.
Monthly outlook for Truly, MT: average high 52°, average low 38.1°. That is 1.9° below the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 17 October (72.1°), the coolest 30 October (29.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 59° | 57.3° | +0.9° |
| 25 October – 3 November | 40.3° | 51.1° | -6° |
| 4 November – 13 November | at normal | 45.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Ulm (6 mi).
0
Truly, Friday, 16 October
Partly cloudy. High 61°, low 41°.
0
Truly, Saturday, 17 October
Overcast. High 72°, low 48°.
0Truly, Sunday, 18 October
Clear. High 62°, low 41°.
0Truly, Monday, 19 October
Overcast. High 68°, low 39°.
0Truly, Tuesday, 20 October
Overcast. High 67°, low 43°.
0Truly, Wednesday, 21 October
Overcast. High 59°, low 41°.
0Truly, Thursday, 22 October
Overcast. High 60°, low 48°.
0Truly, Friday, 23 October
Overcast. High 52°, low 42°.
0
Truly, Saturday, 24 October
Mostly clear. High 44°, low 34°.
0.05
Truly, Sunday, 25 October
Light snow. High 38°, low 34°.
0.06Truly, Monday, 26 October
Snow. High 35°, low 33°.
0.34Truly, Tuesday, 27 October
Snow. High 38°, low 33°.
0.2Truly, Wednesday, 28 October
Snow. High 44°, low 34°.
0Truly, Thursday, 29 October
Clear. High 44°, low 33°.
0Truly, Friday, 30 October
Overcast. High 42°, low 29°.
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.
0.05Truly, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Truly, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.03Truly, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Truly, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Truly, Friday, 13 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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