Lexington Weather

Lexington, Massachusetts, USA

69°F
8/12/2026 2:01am 
  • Lexington Conditions: Clear
  • Temperature: 69.3°F / 20.7°CColder 0.7°F than last hour.
  • Dew Point: 62.8°FIncreased 0.4°Fsince last hour.
  • Relative Humidity: 80%Increased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.73 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Boise, ID

    AIR QUALITY ALERT  

Air Quality Alert issued August 10 at 8:47PM MDT by NWS Boise ID

AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Harney County

Areas Affected: Harney, OR

Urgency: Unknown

Severity: Unknown

Certainty: Unknown

Alert Sent: Monday 8:50pm MDT

Alert Effective: Monday 8:47pm MDT

Alert Expires: Wednesday 1:00pm MDT

Event Onset: Monday 8:47pm MDT

Issued by: NWS Boise ID

Details: 
...AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Harney County...

* WHAT...High concentration of smoke particulates from wildfire
smoke.

* WHERE...Harney County.

* WHEN...UNTIL 11 AM PDT WEDNESDAY.

* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.

* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ's Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.

Information: 
* Stay inside if possible. Keep windows and doors closed.

* Avoid strenuous outdoor activity.

* Use high efficiency particulate air (HEPA) filters in indoor
ventilation systems or portable air purifiers.

* Be aware of smoke in your area and avoid places with the highest
levels.

* If you have heart or lung disease, or asthma, follow your
healthcare provider's advice.

For current Oregon air quality conditions, please visit:
https://aqi.oregon.gov

For additional information, please visit:
https://www.oregon.gov/deq

Meta data: 
ID: urn:oid:2.49.0.1.840.0.774e8538a48de10b4ef26a439e98419d0b7dc3b8.001.1
Codes: ORC025
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.774e8538a48de10b4ef26a439e98419d0b7dc3b8.001.1

 

    AIR QUALITY ALERT  

Air Quality Alert issued August 10 at 8:40PM MDT by NWS Boise ID

AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Harney County

Areas Affected: Harney, OR

Urgency: Unknown

Severity: Unknown

Certainty: Unknown

Alert Sent: Monday 8:39pm MDT

Alert Effective: Monday 8:40pm MDT

Alert Expires: Wednesday 12:00pm MDT

Event Onset: Monday 8:40pm MDT

Issued by: NWS Boise ID

Details: 
...AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Harney County...

* WHAT...High concentration of smoke particulates from wildfire
smoke.

* WHERE...Harney County.

* WHEN...UNTIL 11 AM PDT WEDNESDAY.

* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.

* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ's Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.

Information: 
* Stay inside if possible. Keep windows and doors closed.

* Avoid strenuous outdoor activity.

* Use high efficiency particulate air (HEPA) filters in indoor
ventilation systems or portable air purifiers.

* Be aware of smoke in your area and avoid places with the highest
levels.

* If you have heart or lung disease, or asthma, follow your
healthcare provider's advice.

For current Oregon air quality conditions, please visit:
https://aqi.oregon.gov

For additional information, please visit:
https://www.oregon.gov/deq

Meta data: 
ID: urn:oid:2.49.0.1.840.0.1665db968d71115f0d1583b9fd4c6996b29a7fc9.003.1
Codes: ORC025
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1665db968d71115f0d1583b9fd4c6996b29a7fc9.003.1

 

    AIR QUALITY ALERT  

Air Quality Alert issued August 10 at 7:21PM MDT by NWS Boise ID

AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Harney County

Areas Affected: Harney, OR

Urgency: Unknown

Severity: Unknown

Certainty: Unknown

Alert Sent: Monday 7:25pm MDT

Alert Effective: Monday 7:21pm MDT

Alert Expires: Wednesday 12:00pm MDT

Event Onset: Monday 7:21pm MDT

Issued by: NWS Boise ID

Details: 
...AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Harney County...

* WHAT...High concentration of smoke particulates from wildfire
smoke.

* WHERE...Harney County.

* WHEN... UNTIL 11 AM PDT WEDNESDAY.

* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.

* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ's Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.

Information: 
* Stay inside if possible. Keep windows and doors closed.

* Avoid strenuous outdoor activity.

* Use high efficiency particulate air (HEPA) filters in indoor
ventilation systems or portable air purifiers.

* Be aware of smoke in your area and avoid places with the highest
levels.

* If you have heart or lung disease, or asthma, follow your
healthcare provider's advice.

For current Oregon air quality conditions, please visit:
https://aqi.oregon.gov

For additional information, please visit:
https://www.oregon.gov/deq

Meta data: 
ID: urn:oid:2.49.0.1.840.0.58a8f5630196efbdccfd8851e3ccec3fb96ac6a4.004.1
Codes: ORC025
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.58a8f5630196efbdccfd8851e3ccec3fb96ac6a4.004.1

 

    AIR QUALITY ALERT  

Air Quality Alert issued August 10 at 1:04PM MDT by NWS Boise ID

AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Harney County

Areas Affected: Harney, OR

Urgency: Unknown

Severity: Unknown

Certainty: Unknown

Alert Sent: Monday 1:18pm MDT

Alert Effective: Monday 1:04pm MDT

Alert Expires: Wednesday 12:00pm MDT

Event Onset: Monday 1:04pm MDT

Issued by: NWS Boise ID

Details: 
...AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Harney County...

* WHAT...High concentration of smoke particulates from wildfire
smoke.

* WHERE...Harney County.

* WHEN...UNTIL 11 AM PDT WEDNESDAY.

* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.

* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ's Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.

Information: 
* Stay inside if possible. Keep windows and doors closed.

* Avoid strenuous outdoor activity.

* Use high efficiency particulate air (HEPA) filters in indoor
ventilation systems or portable air purifiers.

* Be aware of smoke in your area and avoid places with the highest
levels.

* If you have heart or lung disease, or asthma, follow your
healthcare provider's advice.

For current Oregon air quality conditions, please visit:
https://aqi.oregon.gov

For additional information, please visit:
https://www.oregon.gov/deq

Meta data: 
ID: urn:oid:2.49.0.1.840.0.bcc96e2fa2744ea7729b02ca47b8aa3975fd991b.001.1
Codes: ORC025
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bcc96e2fa2744ea7729b02ca47b8aa3975fd991b.001.1

 

    AIR QUALITY ALERT  

Air Quality Alert issued August 10 at 10:29AM MDT by NWS Boise ID

AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Harney County

Areas Affected: Harney, OR

Urgency: Unknown

Severity: Unknown

Certainty: Unknown

Alert Sent: Monday 10:31am MDT

Alert Effective: Monday 10:29am MDT

Alert Expires: Wednesday 12:00pm MDT

Event Onset: Monday 10:29am MDT

Issued by: NWS Boise ID

Details: 
...AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Harney County...

* WHAT...High concentration of smoke particulates from wildfire
smoke.

* WHERE...Harney County.

* WHEN... UNTIL 12 PM PDT WEDNESDAY.

* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.

* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ's Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.

Information: 
* Stay inside if possible. Keep windows and doors closed.

* Avoid strenuous outdoor activity.

* Use high efficiency particulate air (HEPA) filters in indoor
ventilation systems or portable air purifiers.

* Be aware of smoke in your area and avoid places with the highest
levels.

* If you have heart or lung disease, or asthma, follow your
healthcare provider's advice.

For current Oregon air quality conditions, please visit:
https://aqi.oregon.gov

For additional information, please visit:
https://www.oregon.gov/deq

Meta data: 
ID: urn:oid:2.49.0.1.840.0.3f0fc0e74c90a0c55182e63b4298c98e3e35ba10.003.1
Codes: ORC025
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3f0fc0e74c90a0c55182e63b4298c98e3e35ba10.003.1