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Now · 6:17 AM

Pasadena Weather & Hourly Forecast

United States · Maryland · 21122

Partly cloudy night
68°F
Partly cloudy night
Feels like: 68°F
💧 Humidity 78% 🌡 Pressure 30.21 inHg 💨 Wind 6 mph 👁 Visibility 18.1 mi Clouds 56% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Pasadena

Today
Partly cloudy · 7:00 AM Partly cloudy
68° 💧 None 💨 6 mph H 78%30.21 inHg
Mostly cloudy · 10:00 AM Mostly cloudy
76° 💧 None 💨 6 mph H 64%30.21 inHg
Mostly sunny · 1:00 PM Mostly sunny
85° 💧 None 💨 8 mph H 53%30.15 inHg
Mostly cloudy · 4:00 PM Mostly cloudy
88° 💧 None 💨 9 mph H 46%30.06 inHg
Sunny · 7:00 PM Sunny
82° 💧 None 💨 10 mph H 57%30.03 inHg
Clear night · 10:00 PM Clear night
77° 💧 None 💨 10 mph H 62%30.03 inHg
Tomorrow
Clear night · 1:00 AM Clear night
75° 💧 None 💨 10 mph H 65%30.00 inHg
Clear night · 4:00 AM Clear night
74° 💧 None 💨 10 mph H 66%29.94 inHg
Sunny · 7:00 AM Sunny
73° 💧 None 💨 8 mph H 69%29.94 inHg
Mostly sunny · 10:00 AM Mostly sunny
81° 💧 None 💨 4 mph H 59%29.94 inHg
Mostly cloudy · 1:00 PM Mostly cloudy
89° 💧 0.009 in 💨 9 mph H 52%29.88 inHg
Light thunderstorms · 4:00 PM Light thunderstorms
86° 💧 0.063 in 💨 5 mph H 62%29.83 inHg
Light rain · 7:00 PM Light rain
79° 💧 0.228 in 💨 6 mph H 81%29.85 inHg
Light thunderstorms · 10:00 PM Light thunderstorms
74° 💧 0.303 in 💨 3 mph H 95%29.88 inHg
Friday
Light rain · 1:00 AM Light rain
73° 💧 0.056 in 💨 4 mph H 97%29.88 inHg
Mostly cloudy night · 4:00 AM Mostly cloudy night
72° 💧 0.000 in 💨 5 mph H 97%29.88 inHg

In Pasadena and, more broadly, across the state of Maryland: This morning features a mix of sun and clouds, with temperatures starting out in the mid-60s. As the day progresses, conditions will stay warm, with highs reaching around 88 degrees. Winds will be moderate, coming from the southwest at up to 10 mph, with gusts potentially hitting 28 mph. No precipitation is expected today, so outdoor plans can go ahead without worry. The afternoon will remain partly sunny, with comfortable temperatures and gentle breezes. Overall, it looks like a warm, breezy day with no significant weather disturbances.

15-Day Weather Outlook for Pasadena

TomorrowTomorrow Strong thunderstorm Strong thunderstorm 89°/73° 💧 None 💨 10 mph
Friday, Sep 11Fri Sep 11 Thunderstorms Thunderstorms 79°/71° 💧 None 💨 8 mph
Saturday, Sep 12Sat Sep 12 Light rain Light rain 80°/70° 💧 0.837 in 💨 10 mph
Sunday, Sep 13Sun Sep 13 Moderate rain Moderate rain 82°/72° 💧 0.282 in 💨 10 mph
Monday, Sep 14Mon Sep 14 Mostly sunny Mostly sunny 83°/70° 💧 0.037 in 💨 4 mph
Tuesday, Sep 15Tue Sep 15 Mostly sunny Mostly sunny 83°/75° 💧 0.014 in 💨 7 mph
Wednesday, Sep 16Wed Sep 16 Mostly sunny Mostly sunny 84°/75° 💧 0.004 in 💨 7 mph
Thursday, Sep 17Thu Sep 17 Light rain Light rain 77°/71° 💧 0.208 in 💨 10 mph
Friday, Sep 18Fri Sep 18 Overcast Overcast 84°/70° 💧 0.024 in 💨 9 mph
Saturday, Sep 19Sat Sep 19 Mostly sunny Mostly sunny 80°/70° 💧 None 💨 8 mph
Sunday, Sep 20Sun Sep 20 Partly cloudy Partly cloudy 81°/69° 💧 None 💨 8 mph
Monday, Sep 21Mon Sep 21 Partly cloudy Partly cloudy 89°/75° 💧 0.050 in 💨 8 mph
Tuesday, Sep 22Tue Sep 22 Light rain Light rain 80°/73° 💧 0.094 in 💨 7 mph
Wednesday, Sep 23Wed Sep 23 Light rain Light rain 74°/68° 💧 0.282 in 💨 10 mph
Thursday, Sep 24Thu Sep 24 Mostly sunny Mostly sunny 72°/72° 💧 None 💨 2 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Pasadena

Vertical axis: °F · Color based on temperature
Partly cloudy at 7:00 AM
68° Today 7:00 AM
Mostly sunny at 8:00 AM
70° 8:00 AM
Mostly sunny at 9:00 AM
73° 9:00 AM
Mostly cloudy at 10:00 AM
76° 10:00 AM
Sunny at 11:00 AM
79° Today 11:00 AM
Sunny at 12:00 PM
83° 12:00 PM
Mostly sunny at 1:00 PM
85° 1:00 PM
Partly cloudy at 2:00 PM
87° 2:00 PM
Mostly sunny at 3:00 PM
88° Today 3:00 PM
Mostly cloudy at 4:00 PM
88° 4:00 PM
Partly cloudy at 5:00 PM
87° 5:00 PM
Sunny at 6:00 PM
85° 6:00 PM
Sunny at 7:00 PM
82° Today 7:00 PM
Clear night at 8:00 PM
80° 8:00 PM
Clear night at 9:00 PM
78° 9:00 PM
Clear night at 10:00 PM
77° 10:00 PM
Clear night at 11:00 PM
77° Today 11:00 PM
Clear night at 12:00 AM
76° 12:00 AM
Clear night at 1:00 AM
75° 1:00 AM
Clear night at 2:00 AM
75° 2:00 AM
Clear night at 3:00 AM
74° Tomorrow 3:00 AM
Clear night at 4:00 AM
74° 4:00 AM
Clear night at 5:00 AM
73° 5:00 AM
Clear night at 6:00 AM
73° 6:00 AM
Sunny at 7:00 AM
73° Tomorrow 7:00 AM
Sunny at 8:00 AM
74° 8:00 AM
Mostly sunny at 9:00 AM
78° 9:00 AM
Mostly sunny at 10:00 AM
81° 10:00 AM
Mostly sunny at 11:00 AM
85° Tomorrow 11:00 AM
Partly cloudy at 12:00 PM
87° 12:00 PM
Mostly cloudy at 1:00 PM
89° 1:00 PM
Strong thunderstorm at 2:00 PM
88° 2:00 PM
Light thunderstorms at 3:00 PM
87° Tomorrow 3:00 PM
Light thunderstorms at 4:00 PM
86° 4:00 PM
Light thunderstorms at 5:00 PM
84° 5:00 PM
Light rain at 6:00 PM
82° 6:00 PM
Light rain at 7:00 PM
79° Tomorrow 7:00 PM
Light rain at 8:00 PM
77° 8:00 PM
Thunderstorms at 9:00 PM
75° 9:00 PM
Light thunderstorms at 10:00 PM
74° 10:00 PM
Thunderstorms at 11:00 PM
73° Tomorrow 11:00 PM
Light rain at 12:00 AM
73° 12:00 AM
Light rain at 1:00 AM
73° 1:00 AM
Overcast night at 2:00 AM
73° 2:00 AM
Light rain at 3:00 AM
73° Friday 3:00 AM
Mostly cloudy night at 4:00 AM
72° 4:00 AM
Mostly cloudy night at 5:00 AM
72° 5:00 AM
Mostly cloudy night at 6:00 AM
72° 6:00 AM
Mostly sunny at 7:00 AM
71° Friday 7:00 AM
Mostly cloudy at 8:00 AM
72° 8:00 AM
Mostly cloudy at 9:00 AM
73° 9:00 AM
Mostly cloudy at 10:00 AM
75° 10:00 AM
Mostly cloudy at 11:00 AM
76° Friday 11:00 AM
Overcast at 12:00 PM
78° 12:00 PM
Mostly cloudy at 1:00 PM
79° 1:00 PM
Mostly cloudy at 2:00 PM
79° 2:00 PM
Overcast at 3:00 PM
79° Friday 3:00 PM
Overcast at 4:00 PM
79° 4:00 PM
Overcast at 5:00 PM
78° 5:00 PM
Overcast at 6:00 PM
77° 6:00 PM
Overcast at 7:00 PM
76° Friday 7:00 PM
Partly cloudy night at 8:00 PM
74° 8:00 PM
Partly cloudy night at 11:00 PM
72° 11:00 PM
Mostly cloudy night at 2:00 AM
71° 2:00 AM
Partly cloudy night at 5:00 AM
70° Saturday 5:00 AM
Partly cloudy at 8:00 AM
70° 8:00 AM
Mostly cloudy at 11:00 AM
75° 11:00 AM
Overcast at 2:00 PM
80° 2:00 PM
Light rain at 5:00 PM
78° Saturday 5:00 PM
Overcast night at 8:00 PM
76° 8:00 PM
Overcast night at 11:00 PM
75° 11:00 PM
Overcast night at 2:00 AM
75° 2:00 AM
Moderate rain at 5:00 AM
72° Sunday 5:00 AM
Light rain at 8:00 AM
72° 8:00 AM
Overcast at 11:00 AM
79° 11:00 AM
Light rain at 2:00 PM
82° 2:00 PM
Light rain at 5:00 PM
81° Sunday 5:00 PM
Mostly clear night at 8:00 PM
76° 8:00 PM
Clear night at 11:00 PM
74° 11:00 PM
Partly cloudy night at 2:00 AM
72° 2:00 AM
Mostly cloudy night at 5:00 AM
70° Monday 5:00 AM
Overcast at 8:00 AM
70° 8:00 AM
Overcast at 11:00 AM
78° 11:00 AM
Mostly cloudy at 2:00 PM
82° 2:00 PM
Overcast at 5:00 PM
83° Monday 5:00 PM
Partly cloudy night at 8:00 PM
79° 8:00 PM
Mostly clear night at 2:00 AM
76° 2:00 AM
Overcast at 8:00 AM
75° 8:00 AM
Mostly sunny at 2:00 PM
83° Tuesday 2:00 PM
Mostly clear night at 8:00 PM
80° 8:00 PM
Clear night at 2:00 AM
76° 2:00 AM
Sunny at 8:00 AM
75° 8:00 AM
Mostly sunny at 2:00 PM
84° Wednesday 2:00 PM
Light rain at 8:00 PM
77° 8:00 PM
Light rain at 2:00 AM
75° 2:00 AM
Overcast at 8:00 AM
71° 8:00 AM
Overcast at 2:00 PM
73° Thursday 2:00 PM
Overcast night at 8:00 PM
72° 8:00 PM
Mostly cloudy night at 2:00 AM
70° 2:00 AM
Overcast at 8:00 AM
72° 8:00 AM
Partly cloudy at 2:00 PM
84° Friday 2:00 PM
Mostly clear night at 8:00 PM
80° 8:00 PM
Clear night at 2:00 AM
75° 2:00 AM
Mostly sunny at 8:00 AM
70° 8:00 AM
Mostly cloudy at 2:00 PM
76° Saturday 2:00 PM
Clear night at 8:00 PM
71° 8:00 PM
Partly cloudy night at 2:00 AM
69° 2:00 AM
Overcast at 8:00 AM
70° 8:00 AM
Sunny at 2:00 PM
81° Sunday 2:00 PM
Mostly clear night at 8:00 PM
82° 8:00 PM
Clear night at 2:00 AM
77° 2:00 AM
Sunny at 8:00 AM
75° 8:00 AM
Partly cloudy at 2:00 PM
89° Monday 2:00 PM
Mostly cloudy night at 8:00 PM
77° 8:00 PM
Mostly cloudy night at 2:00 AM
74° 2:00 AM
Mostly sunny at 8:00 AM
73° 8:00 AM
Light rain at 2:00 PM
80° Tuesday 2:00 PM
Mostly cloudy night at 8:00 PM
73° 8:00 PM
Light rain at 2:00 AM
68° 2:00 AM
Overcast at 8:00 AM
68° 8:00 AM
Overcast at 2:00 PM
74° Wednesday 2:00 PM
Mostly clear night at 8:00 PM
72° 8:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Pasadena

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 7:00 AM
PM2.5 Fine particles Good 5,0µg/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 7,2µg/m³

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

O₃ Ozone Good 52,8µg/m³

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

NO₂ Nitrogen dioxide Good 3,6µg/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 Pasadena

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 6,0High 😊Good
Tomorrow UV 5,9Moderate 😐Moderate
Friday UV 7,0High 😐Moderate
Saturday UV 6,3High 🙂Fair
Sunday UV 7,0High 😊Good
Monday UV 6,0High Unavailable
Tuesday UV 7,0High Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,4 9:00 AMUV 1,4 10:00 AMUV 2,9 11:00 AMUV 4,7 12:00 PMUV 5,2 1:00 PMUV 5,3 2:00 PMUV 6,0 3:00 PMUV 5,7 4:00 PMUV 3,7 5:00 PMUV 1,8 6:00 PMUV 0,6
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 Pasadena

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

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

100/100Best-hour score
BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:56 PM–5:11 AM
Cloud cover 0% Real hourly forecast for the best viewing hour.
Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 78° high at the best hour.
Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min81%
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 Pasadena were last refreshed today at 6:17 AM. The current forecast period extends through 11/09/2026 at 4:00 AM. 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.