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Now · 8:42 PM

West Lawn Weather & Hourly Forecast

United States · Pennsylvania · 19609

Clear night
67°F
Clear night
Feels like: 66°F
💧 Humidity 68% 🌡 Pressure 30.03 inHg 💨 Wind 6 mph 👁 Visibility 21.3 mi Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for West Lawn

Today
Clear night · 9:00 PM Clear night
67° 💧 None 💨 6 mph H 68%30.03 inHg
Tomorrow
Clear night · 12:00 AM Clear night
62° 💧 None 💨 5 mph H 74%30.09 inHg
Clear night · 3:00 AM Clear night
59° 💧 None 💨 4 mph H 83%30.09 inHg
Clear night · 6:00 AM Clear night
57° 💧 None 💨 4 mph H 88%30.15 inHg
Sunny · 9:00 AM Sunny
65° 💧 None 💨 3 mph H 69%30.18 inHg
Sunny · 12:00 PM Sunny
74° 💧 None 💨 4 mph H 37%30.18 inHg
Sunny · 3:00 PM Sunny
77° 💧 None 💨 3 mph H 37%30.15 inHg
Sunny · 6:00 PM Sunny
76° 💧 None 💨 3 mph H 41%30.15 inHg
Clear night · 9:00 PM Clear night
68° 💧 None 💨 0 mph H 62%30.21 inHg
Tuesday
Partly cloudy night · 12:00 AM Partly cloudy night
63° 💧 None 💨 1 mph H 79%30.24 inHg
Mostly clear night · 3:00 AM Mostly clear night
59° 💧 None 💨 1 mph H 90%30.24 inHg
Mostly cloudy night · 6:00 AM Mostly cloudy night
57° 💧 None 💨 2 mph H 95%30.27 inHg
Sunny · 9:00 AM Sunny
67° 💧 None 💨 1 mph H 71%30.30 inHg
Mostly sunny · 12:00 PM Mostly sunny
79° 💧 None 💨 2 mph H 41%30.27 inHg
Sunny · 3:00 PM Sunny
82° 💧 None 💨 3 mph H 35%30.24 inHg
Mostly sunny · 6:00 PM Mostly sunny
80° 💧 None 💨 3 mph H 38%30.21 inHg

In West Lawn and, more broadly, across the state of Pennsylvania: This evening will feature a mix of sun and clouds, with temperatures remaining mild between 67 and 73 degrees Fahrenheit. Winds will be light, coming from the north at around 5 mph, with gusts reaching up to 7 mph. No precipitation is expected during the next few hours, so it should remain dry. Conditions are calm, making for a pleasant evening. Temperatures are expected to stay steady through the night, providing comfortable conditions for outdoor activities or relaxation. Overall, it looks like a mild and quiet evening with no significant weather changes expected.

15-Day Weather Outlook for West Lawn

Tuesday, Sep 8Tue Sep 8 Mostly sunny Mostly sunny 83°/57° 💧 None 💨 4 mph
Wednesday, Sep 9Wed Sep 9 Partly cloudy Partly cloudy 86°/63° 💧 None 💨 13 mph
Thursday, Sep 10Thu Sep 10 Very heavy rain Very heavy rain 86°/72° 💧 0.366 in 💨 12 mph
Friday, Sep 11Fri Sep 11 Light rain Light rain 75°/62° 💧 0.333 in 💨 7 mph
Saturday, Sep 12Sat Sep 12 Overcast Overcast 80°/57° 💧 None 💨 6 mph
Sunday, Sep 13Sun Sep 13 Overcast Overcast 79°/66° 💧 0.014 in 💨 6 mph
Monday, Sep 14Mon Sep 14 Mostly sunny Mostly sunny 85°/69° 💧 0.000 in 💨 4 mph
Tuesday, Sep 15Tue Sep 15 Mostly cloudy Mostly cloudy 88°/71° 💧 0.002 in 💨 6 mph
Wednesday, Sep 16Wed Sep 16 Mostly sunny Mostly sunny 90°/73° 💧 None 💨 13 mph
Thursday, Sep 17Thu Sep 17 Mostly sunny Mostly sunny 92°/64° 💧 0.018 in 💨 9 mph
Friday, Sep 18Fri Sep 18 Mostly cloudy Mostly cloudy 80°/63° 💧 0.002 in 💨 4 mph
Saturday, Sep 19Sat Sep 19 Light rain Light rain 76°/52° 💧 0.030 in 💨 12 mph
Sunday, Sep 20Sun Sep 20 Partly cloudy Partly cloudy 55°/51° 💧 0.067 in 💨 14 mph
Monday, Sep 21Mon Sep 21 Sunny Sunny 67°/50° 💧 0.001 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in West Lawn

Vertical axis: °F · Color based on temperature
Clear night at 9:00 PM
67° Today 9:00 PM
Clear night at 10:00 PM
65° 10:00 PM
Clear night at 11:00 PM
64° 11:00 PM
Clear night at 12:00 AM
62° 12:00 AM
Clear night at 1:00 AM
61° Tomorrow 1:00 AM
Clear night at 2:00 AM
60° 2:00 AM
Clear night at 3:00 AM
59° 3:00 AM
Clear night at 4:00 AM
58° 4:00 AM
Clear night at 5:00 AM
57° Tomorrow 5:00 AM
Clear night at 6:00 AM
57° 6:00 AM
Sunny at 7:00 AM
57° 7:00 AM
Sunny at 8:00 AM
60° 8:00 AM
Sunny at 9:00 AM
65° Tomorrow 9:00 AM
Sunny at 10:00 AM
69° 10:00 AM
Sunny at 11:00 AM
72° 11:00 AM
Sunny at 12:00 PM
74° 12:00 PM
Sunny at 1:00 PM
76° Tomorrow 1:00 PM
Sunny at 2:00 PM
77° 2:00 PM
Sunny at 3:00 PM
77° 3:00 PM
Sunny at 4:00 PM
77° 4:00 PM
Sunny at 5:00 PM
77° Tomorrow 5:00 PM
Sunny at 6:00 PM
76° 6:00 PM
Sunny at 7:00 PM
72° 7:00 PM
Clear night at 8:00 PM
69° 8:00 PM
Clear night at 9:00 PM
68° Tomorrow 9:00 PM
Mostly clear night at 10:00 PM
66° 10:00 PM
Mostly cloudy night at 11:00 PM
64° 11:00 PM
Partly cloudy night at 12:00 AM
63° 12:00 AM
Clear night at 1:00 AM
61° Tuesday 1:00 AM
Clear night at 2:00 AM
60° 2:00 AM
Mostly clear night at 3:00 AM
59° 3:00 AM
Mostly cloudy night at 4:00 AM
59° 4:00 AM
Partly cloudy night at 5:00 AM
58° Tuesday 5:00 AM
Mostly cloudy night at 6:00 AM
57° 6:00 AM
Mostly cloudy at 7:00 AM
57° 7:00 AM
Mostly sunny at 8:00 AM
61° 8:00 AM
Sunny at 9:00 AM
67° Tuesday 9:00 AM
Mostly sunny at 10:00 AM
73° 10:00 AM
Mostly sunny at 11:00 AM
76° 11:00 AM
Mostly sunny at 12:00 PM
79° 12:00 PM
Partly cloudy at 1:00 PM
80° Tuesday 1:00 PM
Sunny at 2:00 PM
82° 2:00 PM
Sunny at 3:00 PM
82° 3:00 PM
Mostly sunny at 4:00 PM
83° 4:00 PM
Sunny at 5:00 PM
82° Tuesday 5:00 PM
Mostly sunny at 6:00 PM
80° 6:00 PM
Mostly sunny at 7:00 PM
76° 7:00 PM
Partly cloudy night at 8:00 PM
72° 8:00 PM
Clear night at 9:00 PM
71° Tuesday 9:00 PM
Mostly clear night at 10:00 PM
68° 10:00 PM
Clear night at 11:00 PM
67° 11:00 PM
Mostly cloudy night at 12:00 AM
67° 12:00 AM
Overcast night at 1:00 AM
67° Wednesday 1:00 AM
Mostly clear night at 2:00 AM
67° 2:00 AM
Mostly clear night at 3:00 AM
66° 3:00 AM
Partly cloudy night at 4:00 AM
65° 4:00 AM
Mostly cloudy night at 5:00 AM
64° Wednesday 5:00 AM
Partly cloudy night at 6:00 AM
63° 6:00 AM
Mostly sunny at 7:00 AM
64° 7:00 AM
Sunny at 8:00 AM
67° 8:00 AM
Sunny at 5:00 PM
86° Wednesday 5:00 PM
Clear night at 8:00 PM
78° 8:00 PM
Clear night at 11:00 PM
75° 11:00 PM
Clear night at 2:00 AM
74° 2:00 AM
Clear night at 5:00 AM
72° Thursday 5:00 AM
Mostly sunny at 8:00 AM
75° 8:00 AM
Mostly sunny at 11:00 AM
86° 11:00 AM
Light rain at 2:00 PM
79° 2:00 PM
Very heavy rain at 5:00 PM
74° Thursday 5:00 PM
Light rain at 8:00 PM
72° 8:00 PM
Partly cloudy night at 11:00 PM
70° 11:00 PM
Mostly clear night at 2:00 AM
68° 2:00 AM
Mostly cloudy night at 5:00 AM
65° Friday 5:00 AM
Sunny at 8:00 AM
62° 8:00 AM
Sunny at 11:00 AM
69° 11:00 AM
Sunny at 2:00 PM
75° 2:00 PM
Sunny at 5:00 PM
75° Friday 5:00 PM
Clear night at 8:00 PM
67° 8:00 PM
Clear night at 11:00 PM
63° 11:00 PM
Clear night at 2:00 AM
60° 2:00 AM
Clear night at 5:00 AM
57° Saturday 5:00 AM
Overcast at 8:00 AM
62° 8:00 AM
Overcast at 11:00 AM
75° 11:00 AM
Overcast at 2:00 PM
80° 2:00 PM
Overcast night at 8:00 PM
79° Saturday 8:00 PM
Overcast night at 2:00 AM
71° 2:00 AM
Sunny at 8:00 AM
66° 8:00 AM
Sunny at 2:00 PM
67° 2:00 PM
Mostly clear night at 8:00 PM
85° Sunday 8:00 PM
Clear night at 2:00 AM
77° 2:00 AM
Mostly sunny at 8:00 AM
69° 8:00 AM
Partly cloudy at 2:00 PM
70° 2:00 PM
Mostly cloudy night at 8:00 PM
88° Monday 8:00 PM
Overcast night at 2:00 AM
79° 2:00 AM
Sunny at 8:00 AM
71° 8:00 AM
Sunny at 2:00 PM
72° 2:00 PM
Clear night at 8:00 PM
90° Tuesday 8:00 PM
Clear night at 2:00 AM
81° 2:00 AM
Sunny at 8:00 AM
74° 8:00 AM
Mostly sunny at 2:00 PM
73° 2:00 PM
Partly cloudy night at 8:00 PM
92° Wednesday 8:00 PM
Mostly clear night at 2:00 AM
79° 2:00 AM
Partly cloudy at 8:00 AM
68° 8:00 AM
Sunny at 2:00 PM
64° 2:00 PM
Clear night at 8:00 PM
80° Thursday 8:00 PM
Mostly cloudy night at 2:00 AM
72° 2:00 AM
Mostly sunny at 8:00 AM
63° 8:00 AM
Overcast at 2:00 PM
64° 2:00 PM
Mostly cloudy night at 8:00 PM
76° Friday 8:00 PM
Mostly cloudy night at 2:00 AM
69° 2:00 AM
Partly cloudy at 8:00 AM
57° 8:00 AM
Light rain at 2:00 PM
52° 2:00 PM
Overcast night at 8:00 PM
55° Saturday 8:00 PM
Partly cloudy night at 2:00 AM
53° 2:00 AM
Sunny at 8:00 AM
53° 8:00 AM
Sunny at 2:00 PM
51° 2:00 PM
Clear night at 8:00 PM
67° Sunday 8:00 PM
Clear night at 2:00 AM
59° 2:00 AM
Sunny at 8:00 AM
50° 8:00 AM
Sunny at 2:00 PM
50° 2:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for West Lawn

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 9:00 PM
PM2.5 Fine particles Good 2,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,1µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 49,8µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 8,9µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in West Lawn

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 7,0High 😊Good
Tomorrow UV 6,7High 😐Moderate
Tuesday UV 6,2High 😐Moderate
Wednesday UV 6,6High 🙂Fair
Thursday UV 2,2Low 🙂Fair
Friday UV 6,0High Unavailable
Saturday UV 6,0High Unavailable
Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for West Lawn

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tomorrow 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tomorrow 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tomorrow 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tomorrow 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tomorrow 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tomorrow 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tuesday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tuesday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tuesday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tuesday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tuesday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tuesday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Wednesday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Wednesday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Wednesday 5:00 PM 8:00 PM 11:00 PM 2:00 AM Thursday 5:00 AM 8:00 AM 11:00 AM 2:00 PM Thursday 5:00 PM 8:00 PM 11:00 PM 2:00 AM Friday 5:00 AM 8:00 AM 11:00 AM 2:00 PM Friday 5:00 PM 8:00 PM 11:00 PM 2:00 AM Saturday 5:00 AM 8:00 AM 11:00 AM 2:00 PM Saturday 8:00 PM 2:00 AM 8:00 AM 2:00 PM Sunday 8:00 PM 2:00 AM 8:00 AM 2:00 PM Monday 8:00 PM 2:00 AM 8:00 AM 2:00 PM Tuesday 8:00 PM 2:00 AM 8:00 AM 2:00 PM Wednesday 8:00 PM 2:00 AM 8:00 AM 2:00 PM Thursday 8:00 PM 2:00 AM 8:00 AM 2:00 PM Friday 8:00 PM 2:00 AM 8:00 AM 2:00 PM Saturday 8:00 PM 2:00 AM 8:00 AM 2:00 PM Sunday 8:00 PM 2:00 AM 8:00 AM 2:00 PM
Sustained wind Max gusts
NIGHT SKY · WEST LAWN, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

99/100Best-hour score
BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:02 PM–5:03 AM
Cloud cover 1% Real hourly forecast for the best viewing hour.
Moonlight 22% Waning Crescent · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 54° high at the best hour.
Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min74%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for West Lawn were last refreshed today at 8:42 PM. The current forecast period extends through 08/09/2026 at 6:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.