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Now · 11:16 PM

Annville Weather & Hourly Forecast

United States · Pennsylvania · 17003

Mostly clear night
72°F
Mostly clear night
Feels like: 74°F
💧 Humidity 79% 🌡 Pressure 30.30 inHg 💨 Wind 6 mph 👁 Visibility 19.9 mi Clouds 30% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Annville

Tomorrow
Partly cloudy night · 12:00 AM Partly cloudy night
71° 💧 None 💨 5 mph H 81%30.27 inHg
Clear night · 3:00 AM Clear night
69° 💧 0.001 in 💨 4 mph H 86%30.24 inHg
Light rain · 6:00 AM Light rain
67° 💧 0.009 in 💨 4 mph H 88%30.24 inHg
Mostly cloudy · 9:00 AM Mostly cloudy
73° 💧 0.002 in 💨 4 mph H 76%30.21 inHg
Light rain · 12:00 PM Light rain
76° 💧 0.031 in 💨 7 mph H 76%30.18 inHg
Mostly sunny · 3:00 PM Mostly sunny
84° 💧 0.009 in 💨 8 mph H 63%30.12 inHg
Partly cloudy · 6:00 PM Partly cloudy
83° 💧 0.043 in 💨 5 mph H 67%30.06 inHg
Light rain · 9:00 PM Light rain
73° 💧 0.033 in 💨 3 mph H 97%30.09 inHg
Friday
Mostly clear night · 12:00 AM Mostly clear night
71° 💧 None 💨 2 mph H 100%30.06 inHg
Mostly clear night · 3:00 AM Mostly clear night
69° 💧 0.000 in 💨 5 mph H 98%30.06 inHg
Mostly cloudy night · 6:00 AM Mostly cloudy night
68° 💧 0.000 in 💨 6 mph H 97%30.09 inHg
Sunny · 9:00 AM Sunny
70° 💧 None 💨 7 mph H 85%30.12 inHg
Sunny · 12:00 PM Sunny
77° 💧 None 💨 6 mph H 59%30.12 inHg
Sunny · 3:00 PM Sunny
81° 💧 None 💨 7 mph H 46%30.06 inHg
Sunny · 6:00 PM Sunny
77° 💧 None 💨 8 mph H 49%30.06 inHg
Clear night · 9:00 PM Clear night
69° 💧 None 💨 8 mph H 65%30.12 inHg

In Annville and, more broadly, across the state of Pennsylvania: The evening will feature a mix of sun and clouds with temperatures ranging from 72 to 79 degrees. Light northeast winds will blow at around 3 mph, with gusts reaching up to 6 mph. There is a slight chance of rain, with a possible accumulation of about 0.15 inches and a maximum probability of 20%. Overall, it should remain fairly mild and comfortable tonight, with just a brief chance of light showers. Temperatures are expected to stay steady through the next few hours, making for a relatively calm and mild evening.

15-Day Weather Outlook for Annville

TomorrowTomorrow Partly cloudy Partly cloudy 85°/67° 💧 None 💨 8 mph
Friday, Sep 18Fri Sep 18 Mostly sunny Mostly sunny 81°/65° 💧 None 💨 9 mph
Saturday, Sep 19Sat Sep 19 Light rain Light rain 76°/56° 💧 0.148 in 💨 9 mph
Sunday, Sep 20Sun Sep 20 Moderate rain Moderate rain 73°/66° 💧 0.646 in 💨 12 mph
Monday, Sep 21Mon Sep 21 Mostly cloudy Mostly cloudy 72°/62° 💧 0.001 in 💨 10 mph
Tuesday, Sep 22Tue Sep 22 Moderate rain Moderate rain 63°/57° 💧 0.313 in 💨 13 mph
Wednesday, Sep 23Wed Sep 23 Moderate rain Moderate rain 56°/53° 💧 1.556 in 💨 15 mph
Thursday, Sep 24Thu Sep 24 Moderate rain Moderate rain 59°/55° 💧 0.584 in 💨 15 mph
Friday, Sep 25Fri Sep 25 Light rain Light rain 60°/57° 💧 0.295 in 💨 8 mph
Saturday, Sep 26Sat Sep 26 Mostly sunny Mostly sunny 67°/53° 💧 None 💨 15 mph
Sunday, Sep 27Sun Sep 27 Sunny Sunny 64°/48° 💧 None 💨 6 mph
Monday, Sep 28Mon Sep 28 Sunny Sunny 66°/50° 💧 None 💨 5 mph
Tuesday, Sep 29Tue Sep 29 Sunny Sunny 65°/49° 💧 None 💨 8 mph
Wednesday, Sep 30Wed Sep 30 Mostly sunny Mostly sunny 62°/48° 💧 None 💨 9 mph
Thursday, Oct 1Thu Oct 1 Sunny Sunny 48°/48° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Annville

Vertical axis: °F · Color based on temperature
Partly cloudy night at 12:00 AM
71° Tomorrow 12:00 AM
Partly cloudy night at 1:00 AM
70° 1:00 AM
Mostly clear night at 2:00 AM
69° 2:00 AM
Clear night at 3:00 AM
69° 3:00 AM
Mostly clear night at 4:00 AM
68° Tomorrow 4:00 AM
Mostly cloudy night at 5:00 AM
68° 5:00 AM
Light rain at 6:00 AM
67° 6:00 AM
Mostly cloudy at 7:00 AM
67° 7:00 AM
Mostly sunny at 8:00 AM
69° Tomorrow 8:00 AM
Mostly cloudy at 9:00 AM
73° 9:00 AM
Partly cloudy at 10:00 AM
76° 10:00 AM
Overcast at 11:00 AM
79° 11:00 AM
Light rain at 12:00 PM
76° Tomorrow 12:00 PM
Light rain at 1:00 PM
79° 1:00 PM
Overcast at 2:00 PM
83° 2:00 PM
Mostly sunny at 3:00 PM
84° 3:00 PM
Light rain at 4:00 PM
85° Tomorrow 4:00 PM
Mostly sunny at 5:00 PM
85° 5:00 PM
Partly cloudy at 6:00 PM
83° 6:00 PM
Light rain at 7:00 PM
78° 7:00 PM
Light rain at 8:00 PM
75° Tomorrow 8:00 PM
Light rain at 9:00 PM
73° 9:00 PM
Mostly clear night at 10:00 PM
73° 10:00 PM
Mostly clear night at 11:00 PM
72° 11:00 PM
Mostly clear night at 12:00 AM
71° Friday 12:00 AM
Mostly clear night at 1:00 AM
70° 1:00 AM
Mostly clear night at 2:00 AM
70° 2:00 AM
Mostly clear night at 3:00 AM
69° 3:00 AM
Mostly clear night at 4:00 AM
69° Friday 4:00 AM
Partly cloudy night at 5:00 AM
69° 5:00 AM
Mostly cloudy night at 6:00 AM
68° 6:00 AM
Mostly sunny at 7:00 AM
67° 7:00 AM
Sunny at 8:00 AM
69° Friday 8:00 AM
Sunny at 9:00 AM
70° 9:00 AM
Mostly sunny at 10:00 AM
72° 10:00 AM
Sunny at 11:00 AM
75° 11:00 AM
Sunny at 12:00 PM
77° Friday 12:00 PM
Sunny at 1:00 PM
79° 1:00 PM
Mostly sunny at 2:00 PM
80° 2:00 PM
Sunny at 3:00 PM
81° 3:00 PM
Mostly sunny at 4:00 PM
80° Friday 4:00 PM
Mostly sunny at 5:00 PM
79° 5:00 PM
Sunny at 6:00 PM
77° 6:00 PM
Sunny at 7:00 PM
73° 7:00 PM
Clear night at 8:00 PM
71° Friday 8:00 PM
Clear night at 9:00 PM
69° 9:00 PM
Mostly clear night at 10:00 PM
67° 10:00 PM
Mostly cloudy night at 11:00 PM
65° 11:00 PM
Mostly clear night at 12:00 AM
64° Saturday 12:00 AM
Mostly clear night at 1:00 AM
62° 1:00 AM
Overcast night at 2:00 AM
61° 2:00 AM
Mostly cloudy night at 3:00 AM
60° 3:00 AM
Mostly clear night at 4:00 AM
59° Saturday 4:00 AM
Partly cloudy night at 5:00 AM
57° 5:00 AM
Mostly clear night at 6:00 AM
56° 6:00 AM
Mostly sunny at 7:00 AM
56° 7:00 AM
Mostly sunny at 8:00 AM
58° Saturday 8:00 AM
Overcast at 5:00 PM
78° 5:00 PM
Overcast night at 8:00 PM
72° 8:00 PM
Overcast night at 11:00 PM
70° 11:00 PM
Light rain at 2:00 AM
67° Sunday 2:00 AM
Partly cloudy night at 5:00 AM
68° 5:00 AM
Overcast at 8:00 AM
70° 8:00 AM
Moderate rain at 11:00 AM
73° 11:00 AM
Moderate rain at 2:00 PM
72° Sunday 2:00 PM
Light rain at 5:00 PM
74° 5:00 PM
Light rain at 8:00 PM
71° 8:00 PM
Overcast night at 11:00 PM
65° 11:00 PM
Overcast night at 2:00 AM
63° Monday 2:00 AM
Overcast night at 5:00 AM
60° 5:00 AM
Partly cloudy at 8:00 AM
58° 8:00 AM
Partly cloudy at 11:00 AM
65° 11:00 AM
Mostly cloudy at 2:00 PM
69° Monday 2:00 PM
Overcast at 5:00 PM
69° 5:00 PM
Overcast night at 8:00 PM
64° 8:00 PM
Overcast night at 11:00 PM
62° 11:00 PM
Overcast night at 2:00 AM
60° Tuesday 2:00 AM
Overcast night at 5:00 AM
59° 5:00 AM
Overcast at 8:00 AM
59° 8:00 AM
Overcast at 11:00 AM
61° 11:00 AM
Overcast at 2:00 PM
65° Tuesday 2:00 PM
Light rain at 8:00 PM
62° 8:00 PM
Moderate rain at 2:00 AM
57° 2:00 AM
Moderate rain at 8:00 AM
54° 8:00 AM
Moderate rain at 2:00 PM
53° Wednesday 2:00 PM
Moderate rain at 8:00 PM
56° 8:00 PM
Light rain at 2:00 AM
56° 2:00 AM
Light rain at 8:00 AM
56° 8:00 AM
Overcast at 2:00 PM
55° Thursday 2:00 PM
Overcast night at 8:00 PM
59° 8:00 PM
Moderate rain at 2:00 AM
59° 2:00 AM
Light rain at 8:00 AM
57° 8:00 AM
Light rain at 2:00 PM
57° Friday 2:00 PM
Overcast night at 8:00 PM
60° 8:00 PM
Partly cloudy night at 2:00 AM
58° 2:00 AM
Sunny at 8:00 AM
54° 8:00 AM
Sunny at 2:00 PM
53° Saturday 2:00 PM
Mostly clear night at 8:00 PM
67° 8:00 PM
Clear night at 2:00 AM
58° 2:00 AM
Sunny at 8:00 AM
50° 8:00 AM
Sunny at 2:00 PM
48° Sunday 2:00 PM
Clear night at 8:00 PM
64° 8:00 PM
Clear night at 2:00 AM
57° 2:00 AM
Sunny at 8:00 AM
50° 8:00 AM
Sunny at 2:00 PM
50° Monday 2:00 PM
Clear night at 8:00 PM
66° 8:00 PM
Clear night at 2:00 AM
57° 2:00 AM
Sunny at 8:00 AM
52° 8:00 AM
Sunny at 2:00 PM
49° Tuesday 2:00 PM
Clear night at 8:00 PM
65° 8:00 PM
Clear night at 2:00 AM
56° 2:00 AM
Sunny at 8:00 AM
48° 8:00 AM
Sunny at 2:00 PM
48° Wednesday 2:00 PM
Mostly clear night at 8:00 PM
62° 8:00 PM
Clear night at 2:00 AM
55° 2:00 AM
Sunny at 8:00 AM
48° 8:00 AM
Sunny at 2:00 PM
48° Thursday 2:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Annville

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 12:00 AM
PM2.5 Fine particles Good 10,0µg/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 14,8µg/m³

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

O₃ Ozone Fair 77,6µg/m³

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

NO₂ Nitrogen dioxide Good 9,9µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Annville

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 6,6High Unavailable
Tomorrow UV 6,8High 😐Moderate
Friday UV 6,9High 🙂Fair
Saturday UV 4,8Moderate 😐Moderate
Sunday UV 3,3Moderate 🙂Fair
Monday UV 4,0Moderate Unavailable
Tuesday 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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Annville

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

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

96/100Best-hour score
BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 8:45 PM–5:17 AM
Cloud cover 5% Real hourly forecast for the best viewing hour.
Moonlight 30% Waxing Crescent · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 72° high at the best hour.
Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min78%
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 Annville were last refreshed today at 11:16 PM. The current forecast period extends through 18/09/2026 at 9:00 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.