Los Alamos County, NM Weather Forecast

County weather hub

60°

Mostly Clear

Compare major city weather across Los Alamos County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Saturday, July 18, 2026

Wind: 5 mph N

Overnight

Mostly clear, with a low around 60. North wind around 5 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Los Alamos County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 0 of 0 mapped cities in Los Alamos County.

Page Snapshot

Page focus: county weather
Forecast window: Jul 18 to Jul 24, 2026
Latest sync: Jul 18, 2026 6:25 AM MDT
Forecast office: ABQ
Source: NOAA / NWS

Next High

83°F

Saturday

Next Low

60°F

Overnight

Rain Outlook

Periods mentioning precipitation

Windiest

0 to 15 mph

Monday Night

Daily Outlook

Today

Jul 18

Mostly Sunny then Chance Showers And Thunderstorms

83 °F

/ 60°F

Wind 5 to 10 mph

Sun

Jul 19

Sunny then Slight Chance Showers And Thunderstorms

84 °F

/ 62°F

Wind 5 to 10 mph

Mon

Jul 20

Sunny

87 °F

/ 63°F

Wind 5 to 10 mph

Tue

Jul 21

Mostly Sunny then Chance Showers And Thunderstorms

87 °F

/ 63°F

Wind 0 to 10 mph

Wed

Jul 22

Mostly Sunny then Slight Chance Showers And Thunderstorms

85 °F

/ 63°F

Wind 0 to 10 mph

Thu

Jul 23

Mostly Sunny then Slight Chance Showers And Thunderstorms

88 °F

/ 65°F

Wind 0 to 10 mph

Fri

Jul 24

Mostly Sunny then Chance Showers And Thunderstorms

88 °F

Wind 0 to 5 mph

This Week in Los Alamos County

Thursday looks like the warmest upcoming period in Los Alamos County at 88 degrees F.

Overnight is the coolest period ahead with temperatures near 60 degrees F.

The strongest winds are forecast for Monday Night at about 0 to 15 mph W.

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated: Jul 18, 2026 6:25 AM MDT
Coverage: 7 days
Time zone: America/Denver
Forecast office: ABQ
Radar station: KABX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday

Jul 18

83°F

Mostly Sunny then Chance Showers And Thunderstorms

5 to 10 mph NE

A chance of showers and thunderstorms after noon. Mostly sunny. High near 83, with temperatures falling to around 79 in the afternoon. Northeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Saturday Night

Jul 18

61°F

Chance Showers And Thunderstorms then Partly Cloudy

0 to 10 mph N

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. North wind 0 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Sunday

Jul 19

84°F

Sunny then Slight Chance Showers And Thunderstorms

5 to 10 mph E

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 20%.

Sunday Night

Jul 19

62°F

Partly Cloudy

0 to 10 mph SW

Partly cloudy, with a low around 62. Southwest wind 0 to 10 mph.

Monday

Jul 20

87°F

Sunny

5 to 10 mph E

Sunny, with a high near 87.

Monday Night

Jul 20

63°F

Slight Chance Showers And Thunderstorms then Partly Cloudy

0 to 15 mph W

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Chance of precipitation is 20%.

Tuesday

Jul 21

87°F

Mostly Sunny then Chance Showers And Thunderstorms

0 to 10 mph E

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

Tuesday Night

Jul 21

63°F

Chance Showers And Thunderstorms then Partly Cloudy

0 to 10 mph SW

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

Wednesday

Jul 22

85°F

Mostly Sunny then Slight Chance Showers And Thunderstorms

0 to 10 mph SE

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

Wednesday Night

Jul 22

63°F

Slight Chance Showers And Thunderstorms then Partly Cloudy

0 to 10 mph W

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Chance of precipitation is 20%.

Thursday

Jul 23

88°F

Mostly Sunny then Slight Chance Showers And Thunderstorms

0 to 10 mph SW

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Thursday Night

Jul 23

65°F

Slight Chance Showers And Thunderstorms then Partly Cloudy

0 to 10 mph NW

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. Chance of precipitation is 20%.

Friday

Jul 24

88°F

Mostly Sunny then Chance Showers And Thunderstorms

0 to 5 mph SE

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Overnight Jul 18	Mostly Clear	60°F	5 mph N	Mostly clear, with a low around 60. North wind around 5 mph.
Saturday Jul 18	Mostly Sunny then Chance Showers And Thunderstorms	83°F	5 to 10 mph NE	A chance of showers and thunderstorms after noon. Mostly sunny. High near 83, with temperatures falling to around 79 in...
Saturday Night Jul 18	Chance Showers And Thunderstorms then Partly Cloudy	61°F	0 to 10 mph N	A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. North wind 0 to 10 mph. Chan...
Sunday Jul 19	Sunny then Slight Chance Showers And Thunderstorms	84°F	5 to 10 mph E	A slight chance of showers and thunderstorms after noon. Sunny, with a high near 84. East wind 5 to 10 mph. Chance of pr...
Sunday Night Jul 19	Partly Cloudy	62°F	0 to 10 mph SW	Partly cloudy, with a low around 62. Southwest wind 0 to 10 mph.
Monday Jul 20	Sunny	87°F	5 to 10 mph E	Sunny, with a high near 87.
Monday Night Jul 20	Slight Chance Showers And Thunderstorms then Partly Cloudy	63°F	0 to 15 mph W	A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Chance of precipitati...
Tuesday Jul 21	Mostly Sunny then Chance Showers And Thunderstorms	87°F	0 to 10 mph E	A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Tuesday Night Jul 21	Chance Showers And Thunderstorms then Partly Cloudy	63°F	0 to 10 mph SW	A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Chance of precipitation is 3...
Wednesday Jul 22	Mostly Sunny then Slight Chance Showers And Thunderstorms	85°F	0 to 10 mph SE	A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Chance of precipitation is 2...
Wednesday Night Jul 22	Slight Chance Showers And Thunderstorms then Partly Cloudy	63°F	0 to 10 mph W	A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Chance of precipitati...
Thursday Jul 23	Mostly Sunny then Slight Chance Showers And Thunderstorms	88°F	0 to 10 mph SW	A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Chance of precipitation is 2...
Thursday Night Jul 23	Slight Chance Showers And Thunderstorms then Partly Cloudy	65°F	0 to 10 mph NW	A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. Chance of precipitati...
Friday Jul 24	Mostly Sunny then Chance Showers And Thunderstorms	88°F	0 to 5 mph SE	A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.