Weather in Jessum, CO
Jessum, Tuesday, 13 October, 13:45
Overcast. Feels like 61°. High 63°, low 53°.
Monthly outlook for Jessum, CO: average high 60.5°, average low 41.3°. That is 0.3° below the climate normal for October. Precipitation is expected on 5 days (about 1.4 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 17 October (69.7°), the coolest 25 October (35.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 62.8° | 62.2° | +0.3° |
| 23 October – 1 November | 56.6° | 56.8° | -0.1° |
| 2 November – 11 November | at normal | 52.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Longmont (4 mi).
0.39
Jessum, Wednesday, 14 October
Rain. High 59°, low 50°.
0.37Jessum, Thursday, 15 October
Rain. High 56°, low 40°.
0
Jessum, Friday, 16 October
Clear. High 60°, low 37°.
0Jessum, Saturday, 17 October
Clear. High 70°, low 35°.
0Jessum, Sunday, 18 October
Overcast. High 68°, low 43°.
0Jessum, Monday, 19 October
Clear. High 66°, low 42°.
0Jessum, Tuesday, 20 October
Clear. High 68°, low 44°.
0.02Jessum, Wednesday, 21 October
Light rain. High 64°, low 48°.
0.03Jessum, Thursday, 22 October
Light rain. High 54°, low 43°.
0.02Jessum, Friday, 23 October
Light rain. High 60°, low 40°.
0.29
Jessum, Saturday, 24 October
Snow. High 50°, low 36°.
0Jessum, Sunday, 25 October
Clear. High 60°, low 35°.
0
Jessum, Monday, 26 October
Partly cloudy. High 54°, low 37°.
0Jessum, Tuesday, 27 October
Clear. High 65°, low 41°.
0.25Jessum, Wednesday, 28 October
Snow. High 51°, low 37°.
0.06Jessum, Thursday, 29 October
Climate normal for this date — 60-year average.
0.05Jessum, Friday, 30 October
Climate normal for this date — 60-year average.
0.04Jessum, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Jessum, Sunday, 1 November
Climate normal for this date — 60-year average.
0.07Jessum, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Jessum, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03
Jessum, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Jessum, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Jessum, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Jessum, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Jessum, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Jessum, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Jessum, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Jessum, Wednesday, 11 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 Jessum, CO 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 Jessum, CO 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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