Weather in Eureka, CO
Eureka, Tuesday, 13 October, 09:38
Overcast. Feels like 37°. High 43°, low 29°.
Monthly outlook for Eureka, CO: average high 32.2°, average low 17.9°. That is 8.8° below the climate normal for October. Precipitation is expected on 10 days (about 3.6 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 13 October (42.7°), the coolest 23 October (4.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 34.8° | 49.3° | -8° |
| 23 October – 1 November | 27.8° | 44.6° | -9.3° |
| 2 November – 11 November | at normal | 41.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Silverton (7 mi).
0.45
Eureka, Wednesday, 14 October
Snow. High 34°, low 21°.
0
Eureka, Thursday, 15 October
Clear. High 36°, low 17°.
0Eureka, Friday, 16 October
Clear. High 38°, low 14°.
0.06Eureka, Saturday, 17 October
Light snow. High 40°, low 21°.
0.14Eureka, Sunday, 18 October
Light snow. High 34°, low 28°.
0
Eureka, Monday, 19 October
Mostly clear. High 40°, low 26°.
0.13Eureka, Tuesday, 20 October
Light snow. High 34°, low 28°.
1.19Eureka, Wednesday, 21 October
Snow. High 29°, low 19°.
0.19Eureka, Thursday, 22 October
Snow. High 20°, low 6°.
0.01Eureka, Friday, 23 October
Light snow. High 25°, low 4°.
0.02Eureka, Saturday, 24 October
Light snow. High 26°, low 7°.
0Eureka, Sunday, 25 October
Clear. High 33°, low 16°.
0.76Eureka, Monday, 26 October
Snow. High 29°, low 23°.
0.07Eureka, Tuesday, 27 October
Snow. High 27°, low 14°.
0.06Eureka, Wednesday, 28 October
Light snow. High 27°, low 14°.
0.13
Eureka, Thursday, 29 October
Climate normal for this date — 60-year average.
0.08Eureka, Friday, 30 October
Climate normal for this date — 60-year average.
0.12Eureka, Saturday, 31 October
Climate normal for this date — 60-year average.
0.07
Eureka, 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.
0.15Eureka, 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.
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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