| National Weather Service Forecast for:
Longview, WA Issued by: National Weather Service Portland, OR |
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| Updated: 2026-07-20 02:41 | ||||||||||||||||||||||||||||||||||||||||
| Lower Columbia | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 56. North northwest wind around 3 mph. |
| Monday |
Mostly cloudy, with a high near 87. North wind around 3 mph. |
| Monday Night |
Mostly cloudy, with a low around 61. Northwest wind around 2 mph. |
| Tuesday |
Partly sunny, with a high near 91. Heat index values as high as 95. North northwest wind 0 to 6 mph. |
| Tuesday Night |
Partly cloudy, with a low around 63. Northwest wind 1 to 6 mph. |
| Wednesday |
Mostly sunny, with a high near 92. |
| Wednesday Night |
A chance of rain showers after 11pm. Partly cloudy, with a low around 62. |
| Thursday |
A chance of rain showers before 11am. Mostly sunny, with a high near 84. |
| Thursday Night |
Partly cloudy, with a low around 58. |
| Friday |
Mostly sunny, with a high near 79. |
| Friday Night |
Mostly clear, with a low around 55. |
| Saturday |
Mostly sunny, with a high near 78. |
| Saturday Night |
Partly cloudy, with a low around 55. |
| Sunday |
Partly sunny, with a high near 77. |
Forecast from NOAA-NWS for Longview, WA.