❰ Current Conditions

Fire Weather Discussion
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
407 AM EDT Fri Sep 22 2023

.DISCUSSION...

High pressure moves to just south of Nova Scotia Friday, bringing
dry conditions and light winds. Rain spreads across the region
Saturday as a subtropical low moves to the mid atlantic coast.

Minimum relative humidities will range from 50 to 60 percent for
Friday and 65 to 85 percent from north to south for Saturday. 

.OUTLOOK...Sunday through Tuesday...

Subtropical low will bring unsettled conditions for Sunday and
Monday, followed by a trend toward drier conditions for the
remainder of next week.


222100-
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham, 
and Woburn
407 AM EDT Fri Sep 22 2023

                      Today        Tonight      Sat          

Cloud Cover           Pcldy        Pcldy        Cloudy       
Precip Type           None         None         Rain         
Chance Precip (%)                               80           
Temp (24h trend)      70 (-3)      52 (+2)      62           
RH % (24h trend)      55 (+13)     100 (0)      70           
20ft Wnd AM(mph)      Lgt/Var                   E  5         
20ft Wnd PM(mph)      E  6         Lgt/Var      NE  7        
Precip Amount         0.00         0.00         0.45         
Precip Duration                                 4            
Precip Begin                                    10 AM        
Precip End                                      Continuing   
Mixing Hgt (ft-AGL)   4470         410          2200         
Transport Wnd (kts)   E 11         E  6         E 11         
Vent Rate (kt-ft)     49170        2460         24200        
Max ADI Early         42 Gen Good  20 Gen Poor  24 Fair      
Max ADI Late          55 Gen Good  5 Very Poor  26 Fair      
Max LVORI Early       1            6            4            
Max LVORI Late        1            6            4            
Min Vsby Early                                               
Min Vsby Late                                                
Sunshine Hours        N/A          N/A          N/A          
CWR                   0            0            100          
LAL                   No Tstms     No Tstms     No Tstms     
Haines Index          3            4            4            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Rain. Lows in the mid 50s. Northeast winds 5 to
10 mph. 
.SUNDAY...Cloudy with a chance of showers. Highs in the mid 60s.
Northeast winds 5 to 10 mph. 
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
mid 50s. Northeast winds around 10 mph. 
.MONDAY AND MONDAY NIGHT...Mostly cloudy with a chance of
showers. Lows in the mid 50s. Highs in the mid 60s. Northeast
winds 10 to 15 mph. 
.TUESDAY...Partly sunny. Highs in the lower 60s. Northeast winds
around 10 mph. 
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
lower 50s. Highs in the upper 60s. Northeast winds 5 to 10 mph.