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Now · 3:08 PM

Potsdam Weather & Hourly Forecast

United States · Ohio · 45361

Strong thunderstorm
87°F
Strong thunderstorm
Feels like: 92°F
💧 Humidity 64% 🌡 Pressure 30.21 inHg 💨 Wind 8 mph 👁 Visibility 15.1 mi Clouds 20% ☀️ UV index 5.3 · Moderate 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Potsdam

Today
Strong thunderstorm · 4:00 PM Strong thunderstorm
87° 💧 0.145 in 💨 8 mph H 64%30.21 inHg
Mostly cloudy · 7:00 PM Mostly cloudy
78° 💧 0.009 in 💨 1 mph H 87%30.21 inHg
Clear night · 10:00 PM Clear night
74° 💧 0.000 in 💨 4 mph H 99%30.27 inHg
Tomorrow
Clear night · 1:00 AM Clear night
72° 💧 None 💨 2 mph H 100%30.24 inHg
Fog at night · 4:00 AM Fog at night
71° 💧 None 💨 4 mph H 99%30.21 inHg
Clear night · 7:00 AM Clear night
72° 💧 None 💨 5 mph H 94%30.21 inHg
Partly cloudy · 10:00 AM Partly cloudy
80° 💧 0.001 in 💨 6 mph H 83%30.21 inHg
Light thunderstorms · 1:00 PM Light thunderstorms
80° 💧 0.077 in 💨 7 mph H 83%30.21 inHg
Strong thunderstorm · 4:00 PM Strong thunderstorm
86° 💧 0.005 in 💨 7 mph H 65%30.12 inHg
Overcast · 7:00 PM Overcast
83° 💧 0.015 in 💨 2 mph H 79%30.09 inHg
Light thunderstorms · 10:00 PM Light thunderstorms
75° 💧 0.089 in 💨 3 mph H 94%30.15 inHg
Friday
Partly cloudy night · 1:00 AM Partly cloudy night
72° 💧 0.000 in 💨 2 mph H 99%30.15 inHg
Mostly cloudy night · 4:00 AM Mostly cloudy night
71° 💧 0.015 in 💨 2 mph H 98%30.15 inHg
Overcast night · 7:00 AM Overcast night
71° 💧 0.001 in 💨 4 mph H 99%30.15 inHg
Overcast · 10:00 AM Overcast
72° 💧 0.006 in 💨 8 mph H 92%30.18 inHg
Overcast · 1:00 PM Overcast
71° 💧 0.000 in 💨 9 mph H 80%30.18 inHg

In Potsdam and, more broadly, across the state of Ohio: As we move into the late afternoon and evening, the sky will remain mostly cloudy, with temperatures holding steady between 70 and 83 degrees. Light southwest winds will continue, with speeds around 5 mph and gusts reaching up to 11 mph. There is a possibility of rain, with an expected accumulation of about 0.23 inches, and the highest chance of precipitation occurring during this time. Residents should be prepared for the occasional light showers, especially if planning outdoor activities. Conditions will remain relatively calm with mild to warm temperatures as the evening progresses.

15-Day Weather Outlook for Potsdam

TomorrowTomorrow Strong thunderstorm Strong thunderstorm 86°/71° 💧 None 💨 8 mph
Friday, Sep 18Fri Sep 18 Light thunderstorms Light thunderstorms 75°/68° 💧 None 💨 10 mph
Saturday, Sep 19Sat Sep 19 Overcast Overcast 86°/62° 💧 0.001 in 💨 11 mph
Sunday, Sep 20Sun Sep 20 Moderate rain Moderate rain 81°/66° 💧 0.244 in 💨 11 mph
Monday, Sep 21Mon Sep 21 Light rain Light rain 81°/63° 💧 0.128 in 💨 8 mph
Tuesday, Sep 22Tue Sep 22 Light thunderstorms Light thunderstorms 75°/64° 💧 0.421 in 💨 9 mph
Wednesday, Sep 23Wed Sep 23 Light rain Light rain 79°/66° 💧 0.059 in 💨 11 mph
Thursday, Sep 24Thu Sep 24 Partly cloudy Partly cloudy 81°/65° 💧 0.049 in 💨 9 mph
Friday, Sep 25Fri Sep 25 Partly cloudy Partly cloudy 85°/68° 💧 0.002 in 💨 10 mph
Saturday, Sep 26Sat Sep 26 Moderate rain Moderate rain 76°/66° 💧 0.308 in 💨 7 mph
Sunday, Sep 27Sun Sep 27 Overcast Overcast 77°/64° 💧 0.028 in 💨 6 mph
Monday, Sep 28Mon Sep 28 Sunny Sunny 73°/57° 💧 0.001 in 💨 8 mph
Tuesday, Sep 29Tue Sep 29 Mostly sunny Mostly sunny 77°/56° 💧 None 💨 5 mph
Wednesday, Sep 30Wed Sep 30 Sunny Sunny 79°/57° 💧 None 💨 4 mph
Thursday, Oct 1Thu Oct 1 Sunny Sunny 70°/70° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Potsdam

Vertical axis: °F · Color based on temperature
Strong thunderstorm at 4:00 PM
87° Today 4:00 PM
Light thunderstorms at 5:00 PM
81° 5:00 PM
Light thunderstorms at 6:00 PM
78° 6:00 PM
Mostly cloudy at 7:00 PM
78° 7:00 PM
Light thunderstorms at 8:00 PM
76° Today 8:00 PM
Clear night at 9:00 PM
75° 9:00 PM
Clear night at 10:00 PM
74° 10:00 PM
Clear night at 11:00 PM
73° 11:00 PM
Clear night at 12:00 AM
72° Tomorrow 12:00 AM
Clear night at 1:00 AM
72° 1:00 AM
Fog at night at 2:00 AM
72° 2:00 AM
Fog at night at 3:00 AM
71° 3:00 AM
Fog at night at 4:00 AM
71° Tomorrow 4:00 AM
Fog at night at 5:00 AM
71° 5:00 AM
Clear night at 6:00 AM
72° 6:00 AM
Clear night at 7:00 AM
72° 7:00 AM
Mostly sunny at 8:00 AM
73° Tomorrow 8:00 AM
Mostly sunny at 9:00 AM
76° 9:00 AM
Partly cloudy at 10:00 AM
80° 10:00 AM
Mostly cloudy at 11:00 AM
83° 11:00 AM
Strong thunderstorm at 12:00 PM
85° Tomorrow 12:00 PM
Light thunderstorms at 1:00 PM
80° 1:00 PM
Overcast at 2:00 PM
83° 2:00 PM
Light thunderstorms at 3:00 PM
85° 3:00 PM
Strong thunderstorm at 4:00 PM
86° Tomorrow 4:00 PM
Overcast at 5:00 PM
86° 5:00 PM
Overcast at 6:00 PM
85° 6:00 PM
Overcast at 7:00 PM
83° 7:00 PM
Mostly cloudy night at 8:00 PM
80° Tomorrow 8:00 PM
Light thunderstorms at 9:00 PM
77° 9:00 PM
Light thunderstorms at 10:00 PM
75° 10:00 PM
Mostly cloudy night at 11:00 PM
74° 11:00 PM
Partly cloudy night at 12:00 AM
73° Friday 12:00 AM
Partly cloudy night at 1:00 AM
72° 1:00 AM
Mostly cloudy night at 2:00 AM
71° 2:00 AM
Mostly cloudy night at 3:00 AM
71° 3:00 AM
Mostly cloudy night at 4:00 AM
71° Friday 4:00 AM
Light thunderstorms at 5:00 AM
71° 5:00 AM
Mostly cloudy night at 6:00 AM
71° 6:00 AM
Overcast night at 7:00 AM
71° 7:00 AM
Overcast at 8:00 AM
71° Friday 8:00 AM
Overcast at 9:00 AM
71° 9:00 AM
Overcast at 10:00 AM
72° 10:00 AM
Overcast at 11:00 AM
71° 11:00 AM
Overcast at 12:00 PM
71° Friday 12:00 PM
Overcast at 1:00 PM
71° 1:00 PM
Overcast at 2:00 PM
73° 2:00 PM
Overcast at 3:00 PM
75° 3:00 PM
Mostly cloudy at 4:00 PM
75° Friday 4:00 PM
Mostly cloudy at 5:00 PM
74° 5:00 PM
Overcast at 6:00 PM
74° 6:00 PM
Overcast at 7:00 PM
72° 7:00 PM
Overcast night at 8:00 PM
70° Friday 8:00 PM
Overcast night at 9:00 PM
69° 9:00 PM
Overcast night at 10:00 PM
68° 10:00 PM
Overcast night at 11:00 PM
68° 11:00 PM
Overcast night at 12:00 AM
67° Saturday 12:00 AM
Overcast night at 1:00 AM
67° 1:00 AM
Partly cloudy night at 2:00 AM
66° 2:00 AM
Clear night at 3:00 AM
65° 3:00 AM
Clear night at 4:00 AM
63° Saturday 4:00 AM
Clear night at 5:00 AM
63° 5:00 AM
Clear night at 6:00 AM
62° 6:00 AM
Clear night at 7:00 AM
62° 7:00 AM
Sunny at 8:00 AM
62° Saturday 8:00 AM
Mostly sunny at 11:00 AM
73° 11:00 AM
Mostly sunny at 2:00 PM
82° 2:00 PM
Sunny at 5:00 PM
86° 5:00 PM
Clear night at 8:00 PM
80° Saturday 8:00 PM
Partly cloudy night at 11:00 PM
78° 11:00 PM
Mostly cloudy night at 2:00 AM
74° 2:00 AM
Overcast night at 5:00 AM
71° 5:00 AM
Mostly cloudy at 8:00 AM
70° Sunday 8:00 AM
Mostly cloudy at 11:00 AM
78° 11:00 AM
Overcast at 2:00 PM
81° 2:00 PM
Moderate rain at 5:00 PM
75° 5:00 PM
Overcast night at 8:00 PM
68° Sunday 8:00 PM
Overcast night at 11:00 PM
66° 11:00 PM
Overcast night at 2:00 AM
65° 2:00 AM
Overcast night at 5:00 AM
64° 5:00 AM
Mostly cloudy at 8:00 AM
63° Monday 8:00 AM
Partly cloudy at 11:00 AM
70° 11:00 AM
Partly cloudy at 2:00 PM
78° 2:00 PM
Partly cloudy at 5:00 PM
81° 5:00 PM
Light rain at 8:00 PM
70° Monday 8:00 PM
Mostly clear night at 11:00 PM
69° 11:00 PM
Mostly cloudy night at 2:00 AM
68° 2:00 AM
Light thunderstorms at 8:00 AM
66° 8:00 AM
Mostly cloudy at 2:00 PM
64° Tuesday 2:00 PM
Light rain at 8:00 PM
75° 8:00 PM
Partly cloudy night at 2:00 AM
69° 2:00 AM
Overcast at 8:00 AM
66° 8:00 AM
Mostly cloudy at 2:00 PM
66° Wednesday 2:00 PM
Light rain at 8:00 PM
79° 8:00 PM
Partly cloudy night at 2:00 AM
73° 2:00 AM
Mostly sunny at 8:00 AM
67° 8:00 AM
Overcast at 2:00 PM
65° Thursday 2:00 PM
Clear night at 8:00 PM
81° 8:00 PM
Partly cloudy night at 2:00 AM
75° 2:00 AM
Overcast at 8:00 AM
71° 8:00 AM
Overcast at 2:00 PM
68° Friday 2:00 PM
Mostly clear night at 8:00 PM
85° 8:00 PM
Overcast night at 2:00 AM
74° 2:00 AM
Moderate rain at 8:00 AM
67° 8:00 AM
Overcast at 2:00 PM
66° Saturday 2:00 PM
Mostly clear night at 8:00 PM
76° 8:00 PM
Mostly clear night at 2:00 AM
70° 2:00 AM
Sunny at 8:00 AM
64° 8:00 AM
Overcast at 2:00 PM
65° Sunday 2:00 PM
Mostly clear night at 8:00 PM
77° 8:00 PM
Clear night at 2:00 AM
69° 2:00 AM
Sunny at 8:00 AM
60° 8:00 AM
Sunny at 2:00 PM
57° Monday 2:00 PM
Clear night at 8:00 PM
73° 8:00 PM
Mostly clear night at 2:00 AM
66° 2:00 AM
Sunny at 8:00 AM
59° 8:00 AM
Sunny at 2:00 PM
56° Tuesday 2:00 PM
Partly cloudy night at 8:00 PM
77° 8:00 PM
Clear night at 2:00 AM
69° 2:00 AM
Sunny at 8:00 AM
60° 8:00 AM
Sunny at 2:00 PM
57° Wednesday 2:00 PM
Clear night at 8:00 PM
79° 8:00 PM
Clear night at 2:00 AM
70° 2:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Potsdam

Hourly forecast · Updated every 2 hours
Moderate
Nearest forecast value 4:00 PM
PM2.5 Fine particles Good 9,1µg/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 9,9µg/m³

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

O₃ Ozone Moderate 113,1µg/m³

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

NO₂ Nitrogen dioxide Good 1,0µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Potsdam

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 6,1High 😐Moderate
Tomorrow UV 6,1High 😐Moderate
Friday UV 5,9Moderate 🙂Fair
Saturday UV 6,7High 😐Moderate
Sunday UV 6,0High 😐Moderate
Monday UV 6,0High Unavailable
Tuesday UV 5,0Moderate Unavailable
Hourly UV index today
4:00 PMUV 2,7 5:00 PMUV 1,5 6:00 PMUV 0,9 7:00 PMUV 0,2
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.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Potsdam

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 4:00 PM 5:00 PM 6:00 PM 7:00 PM Today 8:00 PM 9:00 PM 10:00 PM 11:00 PM 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 11:00 AM 2:00 PM 5:00 PM Saturday 8:00 PM 11:00 PM 2:00 AM 5:00 AM Sunday 8:00 AM 11:00 AM 2:00 PM 5:00 PM Sunday 8:00 PM 11:00 PM 2:00 AM 5:00 AM Monday 8:00 AM 11:00 AM 2:00 PM 5:00 PM Monday 8:00 PM 11:00 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 2:00 AM
Sustained wind Max gusts
NIGHT SKY · POTSDAM, OHIO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

93/100Best-hour score
BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:16 PM–5:49 AM
Cloud cover 0% Real hourly forecast for the best viewing hour.
Moonlight 29% Waxing Crescent · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 44° high at the best hour.
Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min66%
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 Potsdam were last refreshed today at 3:08 PM. The current forecast period extends through 18/09/2026 at 1:00 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.