Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Union, New Hampshire

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Union, NH
Sunday, May 17 at 1:46 AM
65
°
Overcast
Feels like
60°
Humidity
44%
Wind
7 mph
Sunrise
5:18 AM
Sunset
8:02 PM
Union, NH
Hour by hour · 24h
51°
98%
9p
50°
100%
10p
50°
100%
11p
49°
84%
12a
49°
54%
1a
48°
37%
2a
48°
26%
3a
48°
36%
4a
47°
44%
5a
48°
28%
6a
48°
27%
7a
48°
41%
8a
49°
39%
9a
50°
48%
10a
53°
50%
11a
52°
53%
12p
52°
46%
1p
53°
44%
2p
55°
15%
3p
56°
11%
4p
57°
14%
5p
57°
6p
57°
7p
54°
8p
L 47°H 57°
Union, NH
7-day forecast
  1. Today
    May 16
    Overcast
    78°49°
  2. Sunday
    May 17
    Overcast
    20%
    81°59°
  3. Monday
    May 18
    Overcast
    69°52°
  4. Tuesday
    May 19
    Overcast
    17%
    90°53°
  5. Wednesday
    May 20
    Light Drizzle
    49%
    87°58°
  6. Thursday
    May 21
    Overcast
    10%
    64°45°
  7. Friday
    May 22
    Overcast
    67°42°
Union, NH
Anemometer · 24h winds · from true
NESW
From · True
SSW
194° · backing 51°
Direction
SSW
194°
Sustained
7
mph
Gust
14
mph
Peak 24h
20
avg 6
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 20 @ 5:00p
−24h−18h−12h−6hnow
Light breeze backing 51° from the ssw.
Union, NH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
993.5
-0.2 mb in 3h · falling · 29.34 inHg
Now
993.5
mb
3h
-0.2
mb
12h
-2.8
mb
24h
-3.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 992999
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Union, NH
Air quality
45
AQI
Good
PM 2.5
4.4 μg/m³
PM 10
4.6 μg/m³
NO₂
2.3 μg/m³
Ozone
88.0 μg/m³
UV Index
0.0 Low
Union, NH
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
8:46 AM
Sunrise
5:18 AM
Daylight
14h 44m
Sunset
8:02 PM
Civil dusk
12:36 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Union, NH
The moon
New Moon
0% illuminated
Moonrise
9:16 AM
Moonset
12:32 AM
In sign
♉︎ Taurus
Union, NH
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Union at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: May 7 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Cool-season window is open

As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Union

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.