Los Alamos, NM Weather Forecast | 5 Day
Updated: Wed Sep 23rd 2026 8:30 PM MDT
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Light Rain
Wed 9-23-26
Light Rain with a high of 58°F and a low of 54°F. It will likey rain, having a 90% chance of a downpour with an estimated 0.88in. Wind will be moderate, blowing around 12mph on average and gusts of 16.6mph at 10 PM. High humidity with average of 85% is anticipated, the maximum being 84% at 9 PM and 83% being its lowest at 10 PM. Barometric pressure is its highest of 30.1inHg at 9 PM, a lowest point of 30.1inHg at 9 PM with an avg 30.1inHg.
- HI: 58°F
- LO: 54°F
- Rainfall: 90% | est. 0.88in
- Snowfall: 0%
- Wind
11.9 mph - Humidity
85% avg. - UV Index
0.9 - Air QualityGood
- Sunrise
06:54 AM - Sunset
07:01 PM - Moonrise
05:39 PM - Moonset
04:03 AM - Moon Phase
Waxing Gibbous
Scattered Showers
Weather Tomorrow, Thu 9-24-26
Scattered Showers with a high of 69°F and a low of 55°F. Rainfall expected to have a 57% chance with an estimated 0.05in. Winds will be light at 6mph and gusts of 16.8mph at 6 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 88% at 3 AM and 47% being its lowest at 5 PM. Barometric pressure is its highest of 30.14inHg at 8 AM, a lowest point of 29.99inHg at 5 PM with an avg 30.07inHg.
- HI: 69°F
- LO: 55°F
- Rainfall: 57% | est. 0.05in
- Snowfall: 0%
- Wind
6 mph - Humidity
69% avg. - UV Index
7.6 - Air QualityGood
- Sunrise
06:54 AM - Sunset
06:59 PM - Moonrise
06:03 PM - Moonset
05:01 AM - Moon Phase
Full Moon
Sunny
Fri 9-25-26
Sunny with a high of 70°F and a low of 54°F. Rainfall expected to have a 73% chance with an estimated 0.58in. Wind will be moderate, blowing around 16mph on average and gusts of 19.8mph at 7 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 94% at 7 AM and 44% being its lowest at 5 PM. Barometric pressure is its highest of 30.14inHg at 8 AM, a lowest point of 29.92inHg at 5 PM with an avg 30.05inHg.
- HI: 70°F
- LO: 54°F
- Rainfall: 73% | est. 0.58in
- Snowfall: 0%
- Wind
15.2 mph - Humidity
66% avg. - UV Index
8 - Air QualityGood
- Sunrise
06:55 AM - Sunset
06:58 PM - Moonrise
06:26 PM - Moonset
05:59 AM - Moon Phase
Full Moon
Sunny
Sat 9-26-26
Sunny with a high of 74°F and a low of 55°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 9mph and gusts of 16.3mph at 6 AM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 74% at 2 AM and 33% being its lowest at 5 PM. Barometric pressure is its highest of 30.08inHg at 10 AM, a lowest point of 29.91inHg at 5 PM with an avg 30.01inHg.
- HI: 74°F
- LO: 55°F
- Rainfall: 3%
- Snowfall: 0%
- Wind
8.5 mph - Humidity
52% avg. - UV Index
8 - Air QualityGood
- Sunrise
06:56 AM - Sunset
06:56 PM - Moonrise
06:50 PM - Moonset
06:58 AM - Moon Phase
Full Moon
Overcast
Sun 9-27-26
Overcast with a high of 76°F and a low of 58°F. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be strong at speeds peaking at 25mph and gusts of 28.7mph at 8 PM. Humidity levels should be comfortable, sitting around 38% on average, the maximum being 48% at 3 AM and 21% being its lowest at 3 PM. Barometric pressure is its highest of 30.05inHg at 8 AM, a lowest point of 29.85inHg at 5 PM with an avg 29.97inHg.
- HI: 76°F
- LO: 58°F
- Rainfall: 17% | est. 0in
- Snowfall: 0%
- Wind
24.4 mph - Humidity
38% avg. - UV Index
8 - Air QualityGood
- Sunrise
06:57 AM - Sunset
06:55 PM - Moonrise
07:15 PM - Moonset
07:58 AM - Moon Phase
Waning Gibbous
Light Rain Shower
Mon 9-28-26
Light Rain Shower with a high of 63°F and a low of 57°F. Rainfall expected to have a 71% chance with an estimated 0.09in. Wind will be moderate, blowing around 16mph on average and gusts of 21.7mph at 12 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 85% at 11 PM and 60% being its lowest at 12 AM. Barometric pressure is its highest of 29.98inHg at 12 AM, a lowest point of 29.84inHg at 6 PM with an avg 29.89inHg.
- HI: 63°F
- LO: 57°F
- Rainfall: 71% | est. 0.09in
- Snowfall: 0%
- Wind
15.7 mph - Humidity
76% avg. - UV Index
4 - Air QualityGood
- Sunrise
06:57 AM - Sunset
06:53 PM - Moonrise
07:44 PM - Moonset
09:00 AM - Moon Phase
Waning Gibbous
This 5-Day weather forecast is relevant for ZIP codes 87544 and 87545, accurately covering areas of Los Alamos, NM.
Currently
 |
55°F |
30.1 inHg.
Barometer 84%
Humidity NNE 17.3 mph Wind |
| Light Drizzle | ||
National Outlook
Heavy Rainfall and Flooding in New Mexico and Southern High Plains - 09-23 to 09-25
Wed Sep 23rd 2026, 4:09am PDT
Read
Coastal Storm Hits Northeast with Rain and Winds - 09-26 to 09-30 2026
Extended Forecast
Wed Sep 23rd 2026, 4:11am PDT
Read
Wed Sep 23rd 2026, 4:11am PDT
5 Day Forecast Nearby
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