| 7 day forecast for: Eureka | |
 | Monday 5°F/4°F Clear. Cold. Prec: 3% |
 | Tuesday 9°F/0°F Mostly sunny. Cold. Prec: 2% |
 | Wednesday 14°F/0°F Sunny. Chilly. Prec: 7% |
 | Thursday 18°F/0°F A mixture of sun and clouds. Chilly. Prec: 12% |
| Friday 20°F/0°F A mixture of sun and clouds. Chilly. Prec: 16% |
| Saturday 20°F/0°F A mixture of sun and clouds. Chilly. Prec: 4% |
 | Sunday 20°F/0°F Cloudy. Chilly. Prec: 24% |
