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Current weather in Union is clear sky.

Where can I find the hourly weather forecast for Union?

This page shows hourly weather forecast for Union, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Union updated regularly?

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

Now · 10:51 PM

Union Weather & Hourly Forecast

United States · New Hampshire · 03887

62°F

Clear night

Feels like: 58°F

💧 Humidity 71% 🌡 Pressure 30.12 inHg 💨 Wind 7 mph 👁 Visibility 27.3 mi ☁ Clouds 8% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Union

Today

11:00 PM

Clear night

62° 💧 None 💨 7 mph H 71%30.12 inHg

Tomorrow

2:00 AM

Overcast night

61° 💧 None 💨 8 mph H 72%30.12 inHg

5:00 AM

Partly cloudy night

61° 💧 None 💨 9 mph H 69%30.12 inHg

8:00 AM

Overcast

65° 💧 0.003 in 💨 7 mph H 68%30.15 inHg

11:00 AM

Light rain

65° 💧 0.052 in 💨 6 mph H 78%30.18 inHg

2:00 PM

Light rain

73° 💧 0.021 in 💨 7 mph H 58%30.15 inHg

5:00 PM

Mostly sunny

75° 💧 None 💨 4 mph H 48%30.15 inHg

8:00 PM

Mostly cloudy night

64° 💧 None 💨 5 mph H 71%30.18 inHg

11:00 PM

Mostly cloudy night

59° 💧 None 💨 2 mph H 86%30.24 inHg

Wednesday

2:00 AM

Overcast night

57° 💧 None 💨 6 mph H 87%30.24 inHg

5:00 AM

Overcast night

56° 💧 None 💨 6 mph H 82%30.24 inHg

8:00 AM

Mist

59° 💧 None 💨 4 mph H 80%30.24 inHg

11:00 AM

Overcast

66° 💧 None 💨 3 mph H 76%30.21 inHg

2:00 PM

Overcast

69° 💧 0.012 in 💨 5 mph H 75%30.12 inHg

5:00 PM

Light rain

67° 💧 0.048 in 💨 6 mph H 94%30.03 inHg

8:00 PM

Mostly cloudy night

66° 💧 0.007 in 💨 9 mph H 97%29.94 inHg

Today

11:00 PM

Clear night

62° 💧 None 💨 7 mph H 71%30.12 inHg

Tomorrow

12:00 AM

Clear night

61° 💧 None 💨 8 mph H 74%30.12 inHg

1:00 AM

Clear night

62° 💧 None 💨 8 mph H 72%30.12 inHg

2:00 AM

Overcast night

61° 💧 None 💨 8 mph H 72%30.12 inHg

3:00 AM

Overcast night

62° 💧 None 💨 9 mph H 70%30.12 inHg

4:00 AM

Mostly cloudy night

62° 💧 None 💨 8 mph H 69%30.12 inHg

5:00 AM

Partly cloudy night

61° 💧 None 💨 9 mph H 69%30.12 inHg

6:00 AM

Mostly cloudy night

61° 💧 None 💨 8 mph H 70%30.12 inHg

7:00 AM

Partly cloudy

62° 💧 None 💨 8 mph H 70%30.15 inHg

8:00 AM

Overcast

65° 💧 None 💨 7 mph H 68%30.15 inHg

9:00 AM

Overcast

67° 💧 None 💨 8 mph H 64%30.18 inHg

10:00 AM

Mostly cloudy

67° 💧 0.003 in 💨 8 mph H 63%30.18 inHg

11:00 AM

Light rain

65° 💧 0.044 in 💨 6 mph H 78%30.18 inHg

12:00 PM

Sunny

70° 💧 None 💨 7 mph H 65%30.15 inHg

1:00 PM

Light rain

72° 💧 0.008 in 💨 8 mph H 58%30.15 inHg

2:00 PM

Light rain

73° 💧 0.018 in 💨 7 mph H 58%30.15 inHg

3:00 PM

Partly cloudy

74° 💧 0.004 in 💨 5 mph H 53%30.15 inHg

4:00 PM

Partly cloudy

75° 💧 None 💨 4 mph H 49%30.15 inHg

5:00 PM

Mostly sunny

75° 💧 None 💨 4 mph H 48%30.15 inHg

6:00 PM

Mostly sunny

72° 💧 None 💨 3 mph H 65%30.15 inHg

7:00 PM

Partly cloudy

66° 💧 None 💨 6 mph H 70%30.18 inHg

8:00 PM

Mostly cloudy night

64° 💧 None 💨 5 mph H 71%30.18 inHg

9:00 PM

Mostly cloudy night

62° 💧 None 💨 2 mph H 76%30.21 inHg

10:00 PM

Mostly cloudy night

60° 💧 None 💨 0 mph H 82%30.24 inHg

11:00 PM

Mostly cloudy night

59° 💧 None 💨 2 mph H 86%30.24 inHg

Wednesday

12:00 AM

Mostly cloudy night

59° 💧 None 💨 5 mph H 85%30.24 inHg

1:00 AM

Overcast night

58° 💧 None 💨 6 mph H 83%30.24 inHg

2:00 AM

Overcast night

57° 💧 None 💨 6 mph H 87%30.24 inHg

3:00 AM

Overcast night

57° 💧 None 💨 6 mph H 87%30.24 inHg

4:00 AM

Overcast night

56° 💧 None 💨 6 mph H 84%30.24 inHg

5:00 AM

Overcast night

56° 💧 None 💨 6 mph H 82%30.24 inHg

6:00 AM

Overcast night

56° 💧 None 💨 5 mph H 80%30.24 inHg

7:00 AM

Mist

56° 💧 None 💨 5 mph H 81%30.24 inHg

8:00 AM

Mist

59° 💧 None 💨 4 mph H 80%30.24 inHg

9:00 AM

Overcast

60° 💧 None 💨 3 mph H 80%30.24 inHg

10:00 AM

Overcast

64° 💧 None 💨 3 mph H 76%30.21 inHg

11:00 AM

Overcast

66° 💧 None 💨 3 mph H 76%30.21 inHg

12:00 PM

Overcast

68° 💧 None 💨 3 mph H 74%30.18 inHg

1:00 PM

Overcast

69° 💧 None 💨 4 mph H 74%30.15 inHg

2:00 PM

Overcast

69° 💧 0.000 in 💨 5 mph H 75%30.12 inHg

3:00 PM

Overcast

69° 💧 0.000 in 💨 5 mph H 79%30.09 inHg

4:00 PM

Light rain

69° 💧 0.011 in 💨 5 mph H 84%30.06 inHg

5:00 PM

Light rain

67° 💧 0.032 in 💨 6 mph H 94%30.03 inHg

6:00 PM

Light rain

66° 💧 0.012 in 💨 5 mph H 97%30.00 inHg

7:00 PM

Light rain

65° 💧 0.004 in 💨 6 mph H 97%29.97 inHg

8:00 PM

Mostly cloudy night

66° 💧 0.003 in 💨 9 mph H 97%29.94 inHg

9:00 PM

Mostly cloudy night

67° 💧 0.001 in 💨 10 mph H 97%29.91 inHg

10:00 PM

Overcast night

67° 💧 0.003 in 💨 11 mph H 96%29.91 inHg

11:00 PM

Light rain

67° 💧 0.006 in 💨 12 mph H 94%29.85 inHg

Thursday

12:00 AM

Overcast night

67° 💧 None 💨 12 mph H 91%29.83 inHg

1:00 AM

Light rain

67° 💧 0.027 in 💨 14 mph H 90%29.83 inHg

2:00 AM

Moderate rain

66° 💧 0.150 in 💨 12 mph H 96%29.80 inHg

3:00 AM

Light rain

66° 💧 0.063 in 💨 13 mph H 98%29.77 inHg

4:00 AM

Light rain

66° 💧 0.005 in 💨 13 mph H 97%29.77 inHg

5:00 AM

Overcast night

66° 💧 0.000 in 💨 12 mph H 97%29.77 inHg

6:00 AM

Overcast night

66° 💧 None 💨 11 mph H 96%29.77 inHg

7:00 AM

Mostly sunny

66° 💧 None 💨 11 mph H 96%29.77 inHg

8:00 AM

Partly cloudy

68° 💧 None 💨 10 mph H 94%29.80 inHg

5:00 PM

Overcast

76° 💧 None 💨 11 mph H 47%29.71 inHg

8:00 PM

Mostly cloudy night

69° 💧 None 💨 7 mph H 55%29.77 inHg

11:00 PM

Overcast night

64° 💧 None 💨 6 mph H 68%29.77 inHg

Friday

2:00 AM

Mostly clear night

62° 💧 None 💨 6 mph H 74%29.77 inHg

5:00 AM

Clear night

59° 💧 None 💨 7 mph H 85%29.80 inHg

8:00 AM

Sunny

62° 💧 None 💨 7 mph H 79%29.85 inHg

11:00 AM

Sunny

66° 💧 None 💨 10 mph H 51%29.88 inHg

2:00 PM

Sunny

69° 💧 None 💨 11 mph H 45%29.88 inHg

5:00 PM

Sunny

68° 💧 None 💨 11 mph H 46%29.91 inHg

8:00 PM

Clear night

59° 💧 None 💨 7 mph H 66%29.97 inHg

11:00 PM

Clear night

54° 💧 None 💨 5 mph H 84%30.03 inHg

Saturday

2:00 AM

Clear night

53° 💧 None 💨 2 mph H 89%30.09 inHg

5:00 AM

Partly cloudy night

50° 💧 None 💨 0 mph H 98%30.12 inHg

8:00 AM

Sunny

55° 💧 None 💨 3 mph H 89%30.18 inHg

11:00 AM

Mostly sunny

66° 💧 None 💨 5 mph H 47%30.21 inHg

2:00 PM

Mostly sunny

70° 💧 None 💨 6 mph H 43%30.18 inHg

5:00 PM

Mostly cloudy

68° 💧 None 💨 8 mph H 59%30.18 inHg

8:00 PM

Clear night

58° 💧 None 💨 7 mph H 83%30.21 inHg

11:00 PM

Clear night

56° 💧 None 💨 6 mph H 96%30.21 inHg

Sunday

2:00 AM

Partly cloudy night

56° 💧 None 💨 6 mph H 97%30.21 inHg

5:00 AM

Clear night

55° 💧 None 💨 6 mph H 98%30.18 inHg

8:00 AM

Overcast

61° 💧 None 💨 6 mph H 91%30.18 inHg

11:00 AM

Overcast

71° 💧 None 💨 9 mph H 72%30.15 inHg

2:00 PM

Overcast

75° 💧 None 💨 10 mph H 64%30.09 inHg

8:00 PM

Overcast night

72° 💧 None 💨 10 mph H 70%30.06 inHg

Monday

2:00 AM

Clear night

69° 💧 None 💨 8 mph H 79%30.03 inHg

8:00 AM

Partly cloudy

62° 💧 None 💨 5 mph H 96%30.09 inHg

2:00 PM

Mostly cloudy

65° 💧 None 💨 4 mph H 85%30.15 inHg

8:00 PM

Clear night

75° 💧 None 💨 6 mph H 48%30.18 inHg

Tuesday

2:00 AM

Mostly clear night

65° 💧 None 💨 3 mph H 74%30.21 inHg

8:00 AM

Partly cloudy

57° 💧 None 💨 1 mph H 99%30.27 inHg

2:00 PM

Mostly sunny

60° 💧 None 💨 2 mph H 93%30.30 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 11 mph H 54%30.24 inHg

Wednesday

2:00 AM

Partly cloudy night

64° 💧 None 💨 10 mph H 74%30.18 inHg

8:00 AM

Overcast

67° 💧 None 💨 9 mph H 94%30.12 inHg

2:00 PM

Overcast

72° 💧 None 💨 9 mph H 91%30.09 inHg

8:00 PM

Light rain

68° 💧 None 💨 4 mph H 98%30.09 inHg

Thursday

2:00 AM

Overcast night

66° 💧 None 💨 8 mph H 90%30.12 inHg

8:00 AM

Partly cloudy

60° 💧 None 💨 9 mph H 69%30.18 inHg

2:00 PM

Sunny

59° 💧 None 💨 7 mph H 74%30.27 inHg

8:00 PM

Clear night

70° 💧 None 💨 5 mph H 41%30.24 inHg

Friday

2:00 AM

Mostly cloudy night

61° 💧 None 💨 2 mph H 72%30.24 inHg

8:00 AM

Mostly cloudy

53° 💧 None 💨 5 mph H 77%30.21 inHg

2:00 PM

Overcast

56° 💧 None 💨 1 mph H 71%30.12 inHg

8:00 PM

Overcast night

61° 💧 None 💨 7 mph H 71%30.00 inHg

Saturday

2:00 AM

Clear night

58° 💧 None 💨 7 mph H 82%29.88 inHg

8:00 AM

Sunny

57° 💧 None 💨 9 mph H 94%29.80 inHg

2:00 PM

Sunny

54° 💧 None 💨 11 mph H 79%29.85 inHg

8:00 PM

Clear night

62° 💧 None 💨 13 mph H 43%29.88 inHg

Sunday

2:00 AM

Mostly clear night

52° 💧 None 💨 9 mph H 58%29.97 inHg

8:00 AM

Mostly sunny

47° 💧 None 💨 2 mph H 82%30.03 inHg

2:00 PM

Sunny

50° 💧 None 💨 3 mph H 90%30.06 inHg

8:00 PM

Mostly clear night

62° 💧 None 💨 5 mph H 37%30.00 inHg

Monday

2:00 AM

Clear night

51° 💧 None 💨 5 mph H 76%30.00 inHg

8:00 AM

Overcast

49° 💧 None 💨 4 mph H 81%30.00 inHg

2:00 PM

Mostly sunny

55° 💧 None 💨 6 mph H 74%30.00 inHg

8:00 PM

Partly cloudy night

67° 💧 None 💨 9 mph H 51%30.00 inHg

Tuesday

2:00 AM

Clear night

54° 💧 None 💨 8 mph H 65%30.15 inHg

8:00 AM

Sunny

46° 💧 None 💨 4 mph H 76%30.27 inHg

2:00 PM

Mostly sunny

48° 💧 None 💨 4 mph H 84%30.33 inHg

In Union and, more broadly, across the state of New Hampshire: Clear skies will persist through the evening, with temperatures remaining mild, ranging from 67 to 71 degrees Fahrenheit. Light northwest winds will blow at speeds up to 4 mph, with gusts reaching 3 mph. No precipitation is expected during this time, making for a calm and comfortable night. Conditions are ideal for outdoor activities or simply relaxing after a busy day. Temperatures will gradually decline later in the evening, but overall, it should be a pleasant night with clear skies and gentle breezes.

15-Day Weather Outlook for Union

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 69°/56° 💧 None 💨 6 mph

Thursday, Sep 10Thu Sep 10

Light rain 76°/66° 💧 0.431 in 💨 14 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 69°/59° 💧 None 💨 11 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 70°/50° 💧 None 💨 8 mph

Sunday, Sep 13Sun Sep 13

Overcast 75°/55° 💧 0.001 in 💨 10 mph

Monday, Sep 14Mon Sep 14

Overcast 72°/62° 💧 0.001 in 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 75°/57° 💧 0.009 in 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Overcast 75°/64° 💧 0.010 in 💨 11 mph

Thursday, Sep 17Thu Sep 17

Light rain 68°/59° 💧 0.299 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Mostly cloudy 70°/53° 💧 None 💨 5 mph

Saturday, Sep 19Sat Sep 19

Overcast 61°/54° 💧 0.051 in 💨 11 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 62°/47° 💧 None 💨 13 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 62°/49° 💧 None 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 67°/46° 💧 0.005 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Union

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Union

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 PM

PM2.5 Fine particles Good 1,4µg/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 2,0µg/m³

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

O₃ Ozone Good 52,9µg/m³

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

NO₂ Nitrogen dioxide Good 6,1µg/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 Union

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 5,0Moderate 🙂Fair

Wednesday UV 4,5Moderate 😐Moderate

Thursday UV 6,4High 😐Moderate

Friday UV 5,6Moderate 🙂Fair

Saturday UV 6,0High —Unavailable

Sunday 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 Union

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · UNION, NEW HAMPSHIRE

Tonight's Stargazing & Shooting Stars

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

94/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 8:48 PM–4:36 AM

☁ Cloud cover 8% Real hourly forecast for the best viewing hour.

☾ Moonlight 14% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 48° 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 min69%

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 Union were last refreshed today at 10:51 PM. The current forecast period extends through 09/09/2026 at 8:00 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.