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Current weather in St. James is clear sky.

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Is the weather forecast for St. James updated regularly?

Weather data for St. James is updated regularly with the latest available observations and forecasts.

Now · 11:12 AM

St. James Weather & Hourly Forecast

United States · Maryland · 21740

75°F

Sunny

Feels like: 73°F

💧 Humidity 53% 🌡 Pressure 30.00 inHg 💨 Wind 8 mph 👁 Visibility 23.9 mi ☁ Clouds 0% ☀️ UV index 4.3 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for St. James

Today

12:00 PM

Sunny

77° 💧 None 💨 8 mph H 47%30.00 inHg

3:00 PM

Mostly sunny

80° 💧 None 💨 11 mph H 42%29.94 inHg

6:00 PM

Sunny

78° 💧 None 💨 11 mph H 45%29.97 inHg

9:00 PM

Clear night

71° 💧 None 💨 6 mph H 61%30.00 inHg

Tomorrow

12:00 AM

Clear night

68° 💧 None 💨 6 mph H 61%30.06 inHg

3:00 AM

Clear night

64° 💧 None 💨 4 mph H 69%30.09 inHg

6:00 AM

Clear night

60° 💧 None 💨 4 mph H 77%30.12 inHg

9:00 AM

Sunny

67° 💧 None 💨 6 mph H 65%30.18 inHg

12:00 PM

Sunny

77° 💧 None 💨 6 mph H 43%30.18 inHg

3:00 PM

Partly cloudy

80° 💧 None 💨 7 mph H 32%30.15 inHg

6:00 PM

Partly cloudy

77° 💧 None 💨 6 mph H 32%30.15 inHg

9:00 PM

Clear night

70° 💧 None 💨 5 mph H 45%30.18 inHg

Tuesday

12:00 AM

Clear night

68° 💧 None 💨 6 mph H 48%30.21 inHg

3:00 AM

Partly cloudy night

64° 💧 None 💨 3 mph H 57%30.24 inHg

6:00 AM

Mostly cloudy night

63° 💧 None 💨 2 mph H 71%30.27 inHg

9:00 AM

Sunny

69° 💧 None 💨 2 mph H 66%30.27 inHg

Today

12:00 PM

Sunny

77° 💧 None 💨 8 mph H 47%30.00 inHg

1:00 PM

Sunny

79° 💧 None 💨 8 mph H 44%29.97 inHg

2:00 PM

Mostly cloudy

81° 💧 None 💨 9 mph H 40%29.97 inHg

3:00 PM

Mostly sunny

80° 💧 None 💨 11 mph H 42%29.94 inHg

4:00 PM

Mostly sunny

80° 💧 None 💨 12 mph H 42%29.94 inHg

5:00 PM

Mostly sunny

79° 💧 None 💨 12 mph H 42%29.94 inHg

6:00 PM

Sunny

78° 💧 None 💨 11 mph H 45%29.97 inHg

7:00 PM

Sunny

75° 💧 None 💨 9 mph H 52%29.97 inHg

8:00 PM

Clear night

72° 💧 None 💨 7 mph H 60%29.97 inHg

9:00 PM

Clear night

71° 💧 None 💨 6 mph H 61%30.00 inHg

10:00 PM

Clear night

70° 💧 None 💨 7 mph H 60%30.03 inHg

11:00 PM

Clear night

69° 💧 None 💨 6 mph H 59%30.06 inHg

Tomorrow

12:00 AM

Clear night

68° 💧 None 💨 6 mph H 61%30.06 inHg

1:00 AM

Clear night

66° 💧 None 💨 7 mph H 64%30.06 inHg

2:00 AM

Clear night

65° 💧 None 💨 6 mph H 65%30.09 inHg

3:00 AM

Clear night

64° 💧 None 💨 4 mph H 69%30.09 inHg

4:00 AM

Clear night

62° 💧 None 💨 5 mph H 72%30.09 inHg

5:00 AM

Clear night

61° 💧 None 💨 4 mph H 75%30.12 inHg

6:00 AM

Clear night

60° 💧 None 💨 4 mph H 77%30.12 inHg

7:00 AM

Sunny

59° 💧 None 💨 5 mph H 79%30.15 inHg

8:00 AM

Sunny

62° 💧 None 💨 6 mph H 73%30.18 inHg

9:00 AM

Sunny

67° 💧 None 💨 6 mph H 65%30.18 inHg

10:00 AM

Sunny

71° 💧 None 💨 5 mph H 58%30.18 inHg

11:00 AM

Sunny

74° 💧 None 💨 5 mph H 50%30.18 inHg

12:00 PM

Sunny

77° 💧 None 💨 6 mph H 43%30.18 inHg

1:00 PM

Sunny

78° 💧 None 💨 6 mph H 39%30.18 inHg

2:00 PM

Partly cloudy

79° 💧 None 💨 7 mph H 35%30.15 inHg

3:00 PM

Partly cloudy

80° 💧 None 💨 7 mph H 32%30.15 inHg

4:00 PM

Mostly sunny

80° 💧 None 💨 7 mph H 31%30.15 inHg

5:00 PM

Mostly sunny

79° 💧 None 💨 7 mph H 30%30.12 inHg

6:00 PM

Partly cloudy

77° 💧 None 💨 6 mph H 32%30.15 inHg

7:00 PM

Mostly sunny

74° 💧 None 💨 4 mph H 39%30.15 inHg

8:00 PM

Clear night

71° 💧 None 💨 5 mph H 44%30.15 inHg

9:00 PM

Clear night

70° 💧 None 💨 5 mph H 45%30.18 inHg

10:00 PM

Clear night

69° 💧 None 💨 5 mph H 48%30.21 inHg

11:00 PM

Clear night

68° 💧 None 💨 6 mph H 49%30.21 inHg

Tuesday

12:00 AM

Clear night

68° 💧 None 💨 6 mph H 48%30.21 inHg

1:00 AM

Clear night

67° 💧 None 💨 4 mph H 50%30.24 inHg

2:00 AM

Clear night

65° 💧 None 💨 3 mph H 54%30.24 inHg

3:00 AM

Partly cloudy night

64° 💧 None 💨 3 mph H 57%30.24 inHg

4:00 AM

Mostly clear night

64° 💧 None 💨 3 mph H 60%30.24 inHg

5:00 AM

Mostly clear night

64° 💧 None 💨 2 mph H 65%30.24 inHg

6:00 AM

Mostly cloudy night

63° 💧 None 💨 2 mph H 71%30.27 inHg

7:00 AM

Partly cloudy

63° 💧 None 💨 2 mph H 76%30.27 inHg

8:00 AM

Sunny

66° 💧 None 💨 3 mph H 71%30.27 inHg

9:00 AM

Sunny

69° 💧 None 💨 2 mph H 66%30.27 inHg

10:00 AM

Sunny

73° 💧 None 💨 3 mph H 58%30.27 inHg

11:00 AM

Sunny

77° 💧 None 💨 4 mph H 52%30.27 inHg

12:00 PM

Mostly sunny

80° 💧 None 💨 6 mph H 48%30.27 inHg

1:00 PM

Mostly sunny

82° 💧 None 💨 6 mph H 44%30.24 inHg

2:00 PM

Sunny

84° 💧 None 💨 6 mph H 41%30.21 inHg

3:00 PM

Sunny

85° 💧 None 💨 6 mph H 39%30.21 inHg

4:00 PM

Partly cloudy

85° 💧 None 💨 5 mph H 37%30.18 inHg

5:00 PM

Partly cloudy

85° 💧 None 💨 6 mph H 35%30.18 inHg

6:00 PM

Mostly sunny

85° 💧 None 💨 4 mph H 35%30.18 inHg

7:00 PM

Sunny

82° 💧 None 💨 4 mph H 41%30.18 inHg

8:00 PM

Clear night

79° 💧 None 💨 4 mph H 43%30.18 inHg

Wednesday

5:00 AM

Mostly clear night

67° 💧 None 💨 4 mph H 65%30.21 inHg

8:00 AM

Partly cloudy

70° 💧 None 💨 6 mph H 62%30.21 inHg

11:00 AM

Mostly sunny

83° 💧 None 💨 6 mph H 43%30.18 inHg

2:00 PM

Light rain

91° 💧 None 💨 9 mph H 38%30.09 inHg

5:00 PM

Mostly sunny

91° 💧 None 💨 9 mph H 37%30.00 inHg

8:00 PM

Mostly clear night

83° 💧 None 💨 3 mph H 58%29.97 inHg

11:00 PM

Mostly clear night

79° 💧 None 💨 4 mph H 61%30.00 inHg

Thursday

2:00 AM

Clear night

76° 💧 None 💨 6 mph H 66%29.94 inHg

5:00 AM

Clear night

73° 💧 None 💨 5 mph H 73%29.94 inHg

8:00 AM

Sunny

76° 💧 None 💨 3 mph H 69%29.94 inHg

11:00 AM

Sunny

87° 💧 None 💨 9 mph H 49%29.91 inHg

2:00 PM

Mostly sunny

93° 💧 None 💨 10 mph H 42%29.83 inHg

5:00 PM

Partly cloudy

85° 💧 None 💨 9 mph H 59%29.77 inHg

8:00 PM

Light rain

78° 💧 None 💨 1 mph H 78%29.80 inHg

11:00 PM

Heavy rain

71° 💧 None 💨 2 mph H 99%29.85 inHg

Friday

2:00 AM

Light rain

71° 💧 None 💨 2 mph H 98%29.83 inHg

5:00 AM

Light rain

70° 💧 None 💨 8 mph H 97%29.83 inHg

8:00 AM

Sunny

68° 💧 None 💨 8 mph H 95%29.88 inHg

11:00 AM

Sunny

73° 💧 None 💨 8 mph H 67%29.94 inHg

2:00 PM

Sunny

78° 💧 None 💨 7 mph H 47%29.91 inHg

5:00 PM

Mostly sunny

79° 💧 None 💨 4 mph H 42%29.88 inHg

8:00 PM

Clear night

71° 💧 None 💨 4 mph H 57%29.91 inHg

11:00 PM

Overcast night

66° 💧 None 💨 4 mph H 66%29.94 inHg

Saturday

2:00 AM

Overcast night

64° 💧 None 💨 2 mph H 71%29.94 inHg

8:00 AM

Overcast

68° 💧 None 💨 6 mph H 70%29.97 inHg

2:00 PM

Mostly sunny

67° 💧 None 💨 8 mph H 85%30.00 inHg

8:00 PM

Clear night

82° 💧 None 💨 4 mph H 62%29.97 inHg

Sunday

2:00 AM

Partly cloudy night

76° 💧 None 💨 7 mph H 75%29.97 inHg

8:00 AM

Sunny

71° 💧 None 💨 7 mph H 95%30.06 inHg

2:00 PM

Overcast

72° 💧 None 💨 6 mph H 95%30.12 inHg

8:00 PM

Mostly clear night

87° 💧 None 💨 7 mph H 59%30.09 inHg

Monday

2:00 AM

Clear night

82° 💧 None 💨 8 mph H 67%30.06 inHg

8:00 AM

Sunny

76° 💧 None 💨 7 mph H 83%30.09 inHg

2:00 PM

Mostly sunny

75° 💧 None 💨 4 mph H 86%30.09 inHg

8:00 PM

Clear night

94° 💧 None 💨 6 mph H 47%30.03 inHg

Tuesday

2:00 AM

Clear night

88° 💧 None 💨 2 mph H 56%29.97 inHg

8:00 AM

Sunny

78° 💧 None 💨 2 mph H 75%30.00 inHg

2:00 PM

Sunny

78° 💧 None 💨 0 mph H 79%30.00 inHg

8:00 PM

Mostly clear night

97° 💧 None 💨 8 mph H 42%29.91 inHg

Wednesday

2:00 AM

Mostly cloudy night

78° 💧 None 💨 6 mph H 92%29.94 inHg

8:00 AM

Mostly sunny

74° 💧 None 💨 6 mph H 95%30.00 inHg

2:00 PM

Mostly sunny

69° 💧 None 💨 8 mph H 82%30.09 inHg

8:00 PM

Partly cloudy night

80° 💧 None 💨 6 mph H 44%30.09 inHg

Thursday

2:00 AM

Partly cloudy night

73° 💧 None 💨 7 mph H 44%30.12 inHg

8:00 AM

Mostly sunny

64° 💧 None 💨 8 mph H 59%30.18 inHg

2:00 PM

Partly cloudy

59° 💧 None 💨 4 mph H 66%30.27 inHg

8:00 PM

Overcast night

73° 💧 None 💨 4 mph H 40%30.21 inHg

Friday

2:00 AM

Clear night

68° 💧 None 💨 6 mph H 51%30.15 inHg

8:00 AM

Mostly sunny

63° 💧 None 💨 7 mph H 67%30.15 inHg

2:00 PM

Mostly sunny

63° 💧 None 💨 6 mph H 81%30.15 inHg

8:00 PM

Overcast night

78° 💧 None 💨 9 mph H 49%30.06 inHg

Saturday

2:00 AM

Mostly clear night

74° 💧 None 💨 8 mph H 57%30.00 inHg

8:00 AM

Overcast

68° 💧 None 💨 10 mph H 76%30.00 inHg

2:00 PM

Partly cloudy

70° 💧 None 💨 10 mph H 83%29.94 inHg

8:00 PM

Mostly clear night

85° 💧 None 💨 7 mph H 53%29.85 inHg

Sunday

2:00 AM

Overcast night

74° 💧 None 💨 4 mph H 89%29.85 inHg

8:00 AM

Overcast

68° 💧 None 💨 10 mph H 83%29.91 inHg

2:00 PM

Sunny

59° 💧 None 💨 7 mph H 76%30.03 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 6 mph H 39%30.00 inHg

Monday

2:00 AM

Partly cloudy night

68° 💧 None 💨 11 mph H 43%30.06 inHg

In St. James and, more broadly, across the state of Maryland: The rest of the day will be mostly sunny with just a few clouds. Temperatures are expected to rise into the mid to upper 70s, making for a warm afternoon. Winds will be light from the north, averaging around 8 mph, with occasional gusts up to 13 mph. No precipitation is forecasted, so it should remain dry throughout the day. Conditions will be comfortable with mild to warm temperatures and gentle breezes, ideal for outdoor activities. The weather will stay steady into the evening, with clear skies and temperatures gradually cooling.

15-Day Weather Outlook for St. James

TomorrowTomorrow

Partly cloudy 80°/59° 💧 None 💨 7 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 85°/63° 💧 None 💨 6 mph

Wednesday, Sep 9Wed Sep 9

Light rain 91°/67° 💧 0.009 in 💨 9 mph

Thursday, Sep 10Thu Sep 10

Partly cloudy 93°/73° 💧 0.038 in 💨 10 mph

Friday, Sep 11Fri Sep 11

Heavy rain 79°/68° 💧 0.437 in 💨 8 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 71°/64° 💧 0.351 in 💨 8 mph

Sunday, Sep 13Sun Sep 13

Overcast 82°/71° 💧 0.022 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 87°/75° 💧 0.003 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Sunny 94°/78° 💧 0.001 in 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 97°/69° 💧 0.106 in 💨 8 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 80°/59° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Overcast 73°/63° 💧 None 💨 7 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 78°/68° 💧 0.002 in 💨 10 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 85°/59° 💧 0.053 in 💨 10 mph

Monday, Sep 21Mon Sep 21

Partly cloudy 75°/68° 💧 None 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. James

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. James

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 12:00 PM

PM2.5 Fine particles Good 2,7µg/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 3,2µg/m³

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

O₃ Ozone Fair 63,3µg/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.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in St. James

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 7,4High 🙂Fair

Tomorrow UV 7,0High 🙂Fair

Tuesday UV 6,5High 🙂Fair

Wednesday UV 7,5High 🙂Fair

Thursday UV 7,0High 😊Good

Friday UV 7,0High —Unavailable

Saturday UV 8,0Very high —Unavailable

Hourly UV index today

12:00 PMUV 6,6 1:00 PMUV 7,4 2:00 PMUV 7,1 3:00 PMUV 5,7 4:00 PMUV 3,7 5:00 PMUV 1,9 6:00 PMUV 0,7 7:00 PMUV 0,1

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 St. James

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. JAMES, MARYLAND

Tonight's Stargazing & Shooting Stars

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

100/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:07 PM–5:12 AM

☁ Cloud cover 0% 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 53° 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.

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Forecast data for St. James were last refreshed today at 11:12 AM. The current forecast period extends through 08/09/2026 at 9:00 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.