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

Weather in Rochester, New Hampshire

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

Rochester, NH
Sunday, May 17 at 4:56 AM
64
°
Overcast
Feels like
60°
Humidity
56%
Wind
8 mph
Sunrise
5:17 AM
Sunset
8:03 PM
Rochester, NH
Hour by hour · 24h
49°
56%
12a
49°
21%
1a
49°
17%
2a
49°
13%
3a
48°
14%
4a
48°
21%
5a
48°
19%
6a
48°
17%
7a
49°
23%
8a
50°
22%
9a
51°
27%
10a
52°
26%
11a
52°
42%
12p
53°
38%
1p
54°
38%
2p
55°
17%
3p
56°
4p
57°
5p
56°
6p
56°
7p
55°
8p
52°
9p
51°
10p
50°
11p
L 48°H 57°
Rochester, NH
7-day forecast
  1. Today
    May 17
    Overcast
    11%
    84°61°
  2. Monday
    May 18
    Overcast
    65°53°
  3. Tuesday
    May 19
    Light Drizzle
    92°54°
  4. Wednesday
    May 20
    Overcast
    33%
    89°61°
  5. Thursday
    May 21
    Overcast
    66°47°
  6. Friday
    May 22
    Overcast
    69°45°
  7. Saturday
    May 23
    Drizzle
    12%
    57°45°
Rochester, NH
Anemometer · 24h winds · from true
NESW
From · True
SW
217° · veering 16°
Direction
SW
217°
Sustained
8
mph
Gust
15
mph
Peak 24h
21
avg 6
Beaufort · 3 · GENTLE 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 21 @ 5:00p
−24h−18h−12h−6hnow
Light breeze veering 16° from the sw.
Rochester, NH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1001.7
0.0 mb in 3h · rising · 29.58 inHg
Now
1001.7
mb
3h
0.0
mb
12h
-1.6
mb
24h
-5.5
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10021009
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Rochester, NH
Air quality
49
AQI
Good
PM 2.5
9.0 μg/m³
PM 10
10.3 μg/m³
NO₂
6.0 μg/m³
Ozone
106.0 μg/m³
UV Index
0.0 Low
Rochester, NH
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
8:46 AM
Sunrise
5:17 AM
Daylight
14h 46m
Sunset
8:03 PM
Civil dusk
12:37 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Rochester, NH
The moon
New Moon
0% illuminated
Moonrise
9:17 AM
Moonset
12:31 AM
In sign
♊︎ Gemini
Rochester, 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 →

Rochester at a glance

  • Today vs. normal: 4°F below the seasonal normal for this latitude
  • Last frost: May 6 (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 Rochester

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.