Weather in Eureka, CO
Eureka, Saturday, 17 October, 02:32
Clear. Feels like 36°. High 47°, low 22°.
Monthly outlook for Eureka, CO: average high 31.6°, average low 14.7°. That is 8° below the climate normal for October. Precipitation is expected on 11 days (about 4.5 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 17 October (47.4°), the coolest 1 November (-5.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 35.5° | 47.7° | -6.8° |
| 27 October – 5 November | 25.2° | 43.1° | -9.9° |
| 6 November – 15 November | at normal | 40.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Silverton (7 mi).
0.16
Eureka, Sunday, 18 October
Snow. High 45°, low 24°.
0.05Eureka, Monday, 19 October
Snow. High 37°, low 22°.
0
Eureka, Tuesday, 20 October
Overcast. High 39°, low 23°.
0.11Eureka, Wednesday, 21 October
Snow. High 40°, low 24°.
1.33Eureka, Thursday, 22 October
Snow. High 38°, low 32°.
0.5Eureka, Friday, 23 October
Snow. High 31°, low 10°.
0.41Eureka, Saturday, 24 October
Snow. High 22°, low 14°.
0
Eureka, Sunday, 25 October
Clear. High 26°, low 6°.
0
Eureka, Monday, 26 October
Partly cloudy. High 30°, low 13°.
0.56Eureka, Tuesday, 27 October
Snow. High 28°, low 22°.
0.22Eureka, Wednesday, 28 October
Snow. High 28°, low 10°.
0.08Eureka, Thursday, 29 October
Snow. High 29°, low 13°.
0.98Eureka, Friday, 30 October
Snow. High 27°, low 5°.
0.15Eureka, Saturday, 31 October
Light snow. High 16°, low 0°.
0Eureka, Sunday, 1 November
Clear. High 22°, low -5°.
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.
0.08Eureka, Sunday, 15 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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