Olympia, WA Weather Forecast | 5 Day
Updated: Mon May 18th 2026 2:30 PM PDT
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Sunny
Mon 5-18-26
Sunny with a high of 68°F and a low of 45°F. Winds will be light at 10mph and gusts of 11.5mph at 6 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 85% at 11 PM and 46% being its lowest at 3 PM. Barometric pressure is its highest of 30.21inHg at 10 PM, a lowest point of 30.15inHg at 5 PM with an avg 30.17inHg.
- HI: 68°F
- LO: 45°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
9.8 mph - Humidity
74% avg. - UV Index
6.3 - Air QualityGood
- Sunrise
05:33 AM - Sunset
08:44 PM - Moonrise
06:34 AM - Moonset
11:55 PM - Moon Phase
Waxing Crescent
Scattered Showers
Weather Tomorrow, Tue 5-19-26
Scattered Showers with a high of 60°F and a low of 47°F. It will likey rain, having a 88% chance of a downpour with an estimated 0.07in. Winds will be light at 7mph and gusts of 10.8mph at 8 PM. High humidity with average of 84% is anticipated, the maximum being 94% at 11 PM and 75% being its lowest at 1 PM. Barometric pressure is its highest of 30.22inHg at 12 AM, a lowest point of 30.14inHg at 6 PM with an avg 30.19inHg.
- HI: 60°F
- LO: 47°F
- Rainfall: 88% | est. 0.07in
- Snowfall: 0%
- Wind
6.9 mph - Humidity
84% avg. - UV Index
4.8 - Air QualityGood
- Sunrise
05:32 AM - Sunset
08:45 PM - Moonrise
07:45 AM - Moonset
No moonset - Moon Phase
Waxing Crescent
Scattered Showers
Wed 5-20-26
Scattered Showers with a high of 70°F and a low of 47°F. It will likey rain, having a 87% chance of a downpour with an estimated 0in. Winds will be light at 6mph and gusts of 6.4mph at 12 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 94% at 3 AM and 41% being its lowest at 3 PM. Barometric pressure is its highest of 30.22inHg at 8 AM, a lowest point of 30.08inHg at 6 PM with an avg 30.16inHg.
- HI: 70°F
- LO: 47°F
- Rainfall: 87% | est. 0in
- Snowfall: 0%
- Wind
5.6 mph - Humidity
72% avg. - UV Index
7.3 - Air QualityGood
- Sunrise
05:31 AM - Sunset
08:47 PM - Moonrise
09:06 AM - Moonset
12:45 AM - Moon Phase
Waxing Crescent
Sunny
Thu 5-21-26
Sunny with a high of 78°F and a low of 43°F. Winds will be light at 8mph and gusts of 9mph at 8 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 96% at 3 AM and 34% being its lowest at 2 PM. Barometric pressure is its highest of 30.14inHg at 12 AM, a lowest point of 29.94inHg at 6 PM with an avg 30.05inHg.
- HI: 78°F
- LO: 43°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
7.4 mph - Humidity
67% avg. - UV Index
0 - Air QualityGood
- Sunrise
05:30 AM - Sunset
08:48 PM - Moonrise
10:28 AM - Moonset
01:22 AM - Moon Phase
Waxing Crescent
Partly Cloudy
Fri 5-22-26
Partly Cloudy with a high of 74°F and a low of 46°F. Winds will be light at 9mph and gusts of 10.3mph at 9 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 98% at 3 AM and 40% being its lowest at 4 PM. Barometric pressure is its highest of 29.99inHg at 9 AM, a lowest point of 29.83inHg at 6 PM with an avg 29.92inHg.
- HI: 74°F
- LO: 46°F
- Rainfall: 0% | est. 0in
- Snowfall: 0%
- Wind
8.1 mph - Humidity
74% avg. - UV Index
4 - Air QualityGood
- Sunrise
05:29 AM - Sunset
08:49 PM - Moonrise
11:49 AM - Moonset
01:49 AM - Moon Phase
Waxing Crescent
Cloudy
Sat 5-23-26
Cloudy with a high of 72°F and a low of 45°F. Wind will be moderate, blowing around 12mph on average and gusts of 13.1mph at 5 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 99% at 2 AM and 35% being its lowest at 2 PM. Barometric pressure is its highest of 29.99inHg at 11 PM, a lowest point of 29.88inHg at 4 PM with an avg 29.91inHg.
- HI: 72°F
- LO: 45°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
11.4 mph - Humidity
79% avg. - UV Index
3 - Air QualityTBA
- Sunrise
05:28 AM - Sunset
08:50 PM - Moonrise
01:05 PM - Moonset
02:10 AM - Moon Phase
First Quarter
This 5-Day weather forecast is relevant for ZIP codes from 98501 through 98599, accurately covering all areas within Olympia, WA.
Currently
|
64°F |
30.24 inHg.
Barometer 52%
Humidity W 10.8 mph Wind |
| Sunny | ||
National Outlook
Severe Storms and Heatwave Hit the U.S. - 05-18 to 05-20
Mon May 18th 2026, 5:59am PDT
Read
Heavy Rain and Storms in the South, Heat Eases on the East Coast - 05-21 to 05-25
Extended Forecast
Mon May 18th 2026, 6:02am PDT
Read
Mon May 18th 2026, 6:02am PDT
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