Weather in Martinsburg, Iowa
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Martinsburg, IA
Sunday, May 17 at 2:12 AM
68
°
Rain
Feels like
65°
Humidity
87%
Wind
22 mph
Sunrise
5:49 AM
Sunset
8:21 PM
Martinsburg, IA
Hour by hour · 24h
70°
9p
68°
10p
67°
11p
67°
12a
66°
15%
1a
65°
13%
2a
63°
3a
61°
4a
57°
5a
57°
6a
59°
7a
61°
8a
66°
9a
71°
10a
74°
11a
78°
12p
81°
1p
83°
2p
84°
3p
84°
4p
85°
5p
84°
6p
84°
7p
82°
8p
Martinsburg, IA
7-day forecast
- TodayMay 16Thunderstorm57%83°61°
- SundayMay 17Thunderstorm57%81°62°
- MondayMay 18Showers79%80°67°
- TuesdayMay 19Showers73%65°48°
- WednesdayMay 20Overcast—61°42°
- ThursdayMay 21Overcast—65°47°
- FridayMay 22Overcast—66°53°
Martinsburg, IA
Next 24 hours · Mild now
Martinsburg, IA
Anemometer · 24h winds · from true
From · True
S
181° · backing 119°
Direction
S
181°
Sustained
22
mph
Gust
37
mph
Peak 24h
37
avg 11
Beaufort · 5 · FRESH 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
−24h−18h−12h−6hnow
Martinsburg, IA
Air quality
47
AQI
Good
- PM 2.5
- 4.5 μg/m³
- PM 10
- 5.1 μg/m³
- NO₂
- 2.9 μg/m³
- Ozone
- 85.0 μg/m³
- UV Index
- 0.0 Low
Martinsburg, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:19 AM
Sunrise
5:49 AM
Daylight
14h 32m
Sunset
8:21 PM
Civil dusk
1:53 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Martinsburg, IA
The moon
New Moon
0% illuminated
- Moonrise
- 10:54 AM
- Moonset
- 1:53 AM
- In sign
- ♉︎ Taurus
Martinsburg, IA
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Martinsburg at a glance
- Today vs. normal: 68°F — typical for the season
- Last frost: April 23 (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
Warm-season window is open
As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.