Weather in Eureka, CO
Eureka, Friday, 16 October, 17:20
Clear. Feels like 48°. High 51°, low 14°.
Monthly outlook for Eureka, CO: average high 34.6°, average low 19.5°. That is 6.6° below the climate normal for October. Precipitation is expected on 5 days (about 3.1 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 16 October (50.7°), the coolest 25 October (10.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 36.1° | 48.1° | -6.7° |
| 26 October – 4 November | 32.1° | 43.3° | -6.2° |
| 5 November – 14 November | at normal | 40.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Silverton (7 mi).
0Eureka, Saturday, 17 October
Clear. High 44°, low 21°.
0.02
Eureka, Sunday, 18 October
Light snow. High 39°, low 24°.
0.04Eureka, Monday, 19 October
Light snow. High 37°, low 28°.
0
Eureka, Tuesday, 20 October
Overcast. High 38°, low 26°.
0.22Eureka, Wednesday, 21 October
Snow. High 38°, low 20°.
1.39Eureka, Thursday, 22 October
Snow. High 35°, low 20°.
0.02Eureka, Friday, 23 October
Light snow. High 27°, low 13°.
0.39Eureka, Saturday, 24 October
Snow. High 24°, low 13°.
0Eureka, Sunday, 25 October
Light snow. High 28°, low 10°.
0Eureka, Monday, 26 October
Overcast. High 32°, low 14°.
0.69Eureka, Tuesday, 27 October
Snow. High 31°, low 28°.
0Eureka, Wednesday, 28 October
Light snow. High 31°, low 19°.
0
Eureka, Thursday, 29 October
Partly cloudy. High 34°, low 19°.
0Eureka, Friday, 30 October
Overcast. High 34°, low 26°.
0.27Eureka, Saturday, 31 October
Snow. High 31°, low 17°.
0.07Eureka, Sunday, 1 November
Climate normal for this date — 60-year average.
0.08Eureka, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Eureka, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Eureka, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Eureka, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Eureka, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Eureka, Saturday, 7 November
Climate normal for this date — 60-year average.
0.12Eureka, Sunday, 8 November
Climate normal for this date — 60-year average.
0.15
Eureka, Monday, 9 November
Climate normal for this date — 60-year average.
0.07Eureka, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.12Eureka, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.13Eureka, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Eureka, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Eureka, 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 Eureka, 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 Eureka, 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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