 |
 Eureka Weather Forecast Summary |
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Today
Feb 17th
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Wednesday
Feb 18th
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Thursday
Feb 19th
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Friday
Feb 20th
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Saturday
Feb 21st
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Cloudy |
Cloudy |
Showers |
Cloudy |
Cloudy |
59°F
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64°F
51°F |
66°F
45°F |
44°F
35°F |
42°F
28°F |
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| Eureka Detailed Weather Forecast |
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| Tuesday, February 17th, 2026 |
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Overnight |
Temperature: 46°F |
| Cloudy. |
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Morning |
Temperature: 54°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 54°F |
| Cloudy. Windy. |
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Evening |
Temperature: 55°F |
| Cloudy. Windy. |
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| Wednesday, February 18th, 2026 |
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Overnight |
Temperature: 56°F |
| Cloudy. Slight chance of a thunderstorm. Windy. |
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Morning |
Temperature: 61°F |
| Sunny. Windy. |
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Afternoon |
Temperature: 55°F |
| Sunny. |
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Evening |
Temperature: 52°F |
| Cloudy. |
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| Thursday, February 19th, 2026 |
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Overnight |
Temperature: 47°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 59°F |
| Cloudy. Slight chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 58°F |
| Sunny with showers likely. Windy at times. |
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Evening |
Temperature: 55°F |
| Clear with a slight chance of showers. Windy. |
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| Friday, February 20th, 2026 |
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Overnight |
Temperature: 39°F |
| Cloudy. Windy. |
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Morning |
Temperature: 40°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 41°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 37°F |
| Cloudy. |
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| Saturday, February 21st, 2026 |
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Overnight |
Temperature: 30°F |
| Cloudy. |
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Morning |
Temperature: 37°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 37°F |
| Sunny. |
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Evening |
Temperature: 32°F |
| Cloudy. |
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| Sunday, February 22nd, 2026 |
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Overnight |
Temperature: 28°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 29°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 25°F |
| Cloudy. Windy. |
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Evening |
Temperature: 21°F |
| A mix of cloudy and clear skies. Windy. |
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| Monday, February 23rd, 2026 |
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Overnight |
Temperature: 19°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 27°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 27°F |
| Cloudy. |
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Evening |
Temperature: 25°F |
| Cloudy. |
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| Tuesday, February 24th, 2026 |
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Overnight |
Temperature: 24°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 37°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 40°F |
| Cloudy. Windy. |
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Evening |
Temperature: 39°F |
| Cloudy. Windy. |
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