Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 20

Waxing Crescent 23%

09:27

00:45

09 Good
10 Good
11 Good
12 OK
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:51, Set: 20:17, Transit: 13:05. Moon - Rise: 09:27, Set: 00:45. Civil Dark: 20:48 - 05:21. Nautical Dark: 21:25 - 04:43. Astro Dark: 22:06 - 04:02

Total Clouds (% Sky Obscured)

12
9
7
0
0
0
38
57
80
75
90
72
91
81
99
96
91
97
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
14
40
45
43
35
59
55
86
88
93
100
87
100

Medium Clouds (% Sky Obscured)

3
1
2
0
0
0
10
11
13
8
65
27
43
37
90
82
12
6
15
9
10
27
89
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
75
70
70
47
65
68
89
62
64
59
82
99
100
94
91
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
1
5
8
14
10
15
35
52
60
95
78
93
75
68
69
59
71
75
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.1
0.3
1.2
0.7
0.5
0.8
0.4
0.6
0.7
0.9

Wind Speed/Direction (mph)

3
3
3
4
4
5
6
8
7
9
6
10
7
6
5
4
4
6
6
6
7
8
8
7

Chance of Frost

Temperature (°C)

26
28
30
32
33
34
35
35
35
34
30
26
24
24
23
22
22
21
20
20
19
18
18
17

Feels Like (°C)

28
30
32
35
36
36
36
35
35
34
33
26
27
25
26
24
24
22
20
19
19
18
17
17

Dew Point (°C)

15
15
14
15
15
14
12
10
11
11
15
21
21
20
20
20
21
20
19
19
18
17
16
16

Relative Humidity (%)

52
44
38
35
32
29
24
22
22
25
38
73
80
78
85
91
92
91
92
95
93
92
92
93

Pressure (mb)

1018
1018
1017
1017
1016
1015
1014
1013
1013
1013
1013
1015
1015
1017
1017
1018
1018
1018
1018
1018
1018
1019
1020
1021

Ozone (du)

320
321
323
324
324
323
322
321
321
321
319
318
318
315
313
313
314
314
314
314
314
315
314
314

Thursday 21

Waxing Crescent 33%

10:42

01:21

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:50, Set: 20:18, Transit: 13:05. Moon - Rise: 10:42, Set: 01:21. Civil Dark: 20:49 - 05:20. Nautical Dark: 21:26 - 04:42. Astro Dark: 22:08 - 04:01

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
100
100
100
98
99
100
100
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
99
99
99
99
100
95
93
94
100
92
79
78
95
100
100
97
96
85
88
95
86

Medium Clouds (% Sky Obscured)

59
28
74
76
98
87
91
98
100
100
100
98
99
92
95
98
99
98
86
96
99
100
100
100

High Clouds (% Sky Obscured)

94
55
93
84
83
86
67
56
64
47
49
44
48
44
53
51
67
90
64
53
40
26
22
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
4
9
9
9
9
9
9
5
7
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

95
74
67
67
60
54
23
33
57
75
50
44
26
22
30
44
72
90
76
81
91
91
95
95

Precipitation Amount (mm)

1.1
0.4
0
0.2
0
0
0
0
0.2
0.6
0.3
0.2
0
0
0
0
0.4
0.6
0
0
0.6
0.5
0.5
2.8

Wind Speed/Direction (mph)

8
9
9
9
9
9
9
9
8
6
6
6
6
6
5
5
5
4
6
5
5
6
6
5

Chance of Frost

Temperature (°C)

17
16
16
16
16
16
16
15
15
15
15
15
15
15
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

16
15
15
14
14
14
13
13
14
14
14
14
14
14
14
14
14
14
13
13
13
13
13
14

Dew Point (°C)

16
15
13
11
11
11
11
11
12
13
14
14
14
14
14
14
14
14
14
13
14
14
14
14

Relative Humidity (%)

93
92
83
75
72
72
74
77
78
87
96
98
98
98
98
96
98
96
98
96
98
98
98
96

Pressure (mb)

1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

314
314
316
316
315
314
315
315
314
314
317
317
318
318
317
319
319
319
320
320
319
320
320
320

Friday 22

Waxing Crescent 45%

11:54

01:50

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:50, Set: 20:19, Transit: 13:05. Moon - Rise: 11:54, Set: 01:50. Civil Dark: 20:49 - 05:19. Nautical Dark: 21:27 - 04:42. Astro Dark: 22:09 - 03:59

Total Clouds (% Sky Obscured)

100
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
97
95
89
90
90
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
95
98
100
100
100
100
95
95
97
94
96
95
94
85
89
90
96
98
100
99
98
92
90

High Clouds (% Sky Obscured)

19
20
55
68
84
69
100
71
76
73
69
100
23
100
100
100
100
96
92
89
86
82
79
83

ISS Passover

Visibility (miles)

4
5
7
6
6
4
2
4
3
9
5
2
3
9
9
9
7
7
2
3
2
1
1
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
91
95
95
71
41
21
11
9
37
55
55
74
66
57
65

Precipitation Amount (mm)

1.8
0.3
0.3
0.6
0.8
1.8
2.3
1.5
0.5
0
0.9
0.9
0.3
0
0
0
0
0
0.3
0.2
0.5
0.2
0
0

Wind Speed/Direction (mph)

5
6
6
7
7
7
7
7
7
8
6
6
6
6
6
5
4
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
13
13
12
12
12
12
12
12
12
12
12
12
13
13
13
13
13

Feels Like (°C)

13
13
13
13
13
13
13
12
12
11
12
11
11
11
11
11
12
12
12
12
12
13
12
13

Dew Point (°C)

13
14
14
14
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
13
12
13
13
13

Relative Humidity (%)

96
98
98
96
96
96
98
98
96
98
96
100
98
98
98
98
98
98
98
100
98
100
100
98

Pressure (mb)

1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1026
1025
1025
1025
1024
1024
1024
1023
1024
1024
1024

Ozone (du)

318
319
319
319
319
319
318
318
319
319
318
317
317
318
320
321
321
320
318
319
320
321
325
325

Saturday 23

First Quarter 56%

13:03

02:15

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:49, Set: 20:20, Transit: 13:05. Moon - Rise: 13:03, Set: 02:15. Civil Dark: 20:50 - 05:19. Nautical Dark: 21:28 - 04:41. Astro Dark: 22:10 - 03:58

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
97
94
91
90
90
90
93
97
100
99
98
97
96
96
95
96
98
100
99
98
97
98

Medium Clouds (% Sky Obscured)

97
97
95
93
91
92
91
91
91
95
98
95
92
90
94
97
100
95
90
71
76
86
74
84

High Clouds (% Sky Obscured)

83
85
81
76
74
66
66
64
75
88
99
100
100
100
100
100
100
95
92
71
37
54
67
100

ISS Passover

Visibility (miles)

7
4
7
9
8
7
9
9
9
5
3
1
2
7
8
8
7
1
0
0
0
0
0
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
None
None

Precipitation Probability (%)

70
82
73
76
80
77
74
71
76
77
74
71
63
53
78
95
95
95
95
73
69
70
63
51

Precipitation Amount (mm)

0.2
0.4
0.3
0.3
0.4
0.4
0.4
0.4
0.5
0.4
0.4
0.3
0
0
0.3
0.6
1.2
1.1
0.5
0
0
0.2
0
0

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
5
5
5
5
6
6
6
7
7
6
6
6
6
6
5
6
6

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
15
15
15
15
15
15
15
15
15
14
14
14
14
14
14
14
14
14

Feels Like (°C)

13
13
13
13
13
13
13
13
14
14
14
13
14
13
14
14
14
14
14
14
13
14
14
14

Dew Point (°C)

13
13
14
14
14
14
14
14
15
15
14
14
15
14
14
14
14
14
14
14
14
14
14
14

Relative Humidity (%)

96
96
98
98
98
98
96
96
98
98
98
98
98
98
98
98
100
98
100
100
100
98
100
98

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

323
322
321
321
320
320
320
321
322
323
322
323
324
324
325
328
331
335
336
339
342
342
338
336

Sunday 24

Waxing Gibbous 66%

14:07

02:38

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:49, Set: 20:21, Transit: 13:05. Moon - Rise: 14:07, Set: 02:38. Civil Dark: 20:51 - 05:18. Nautical Dark: 21:29 - 04:40. Astro Dark: 22:11 - 03:57

Total Clouds (% Sky Obscured)

100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
100
99
97
96
97
99
100
100
100
100
95
91
86
91
95
100
100
100
100
100
100
100
98

Medium Clouds (% Sky Obscured)

63
69
51
50
48
50
51
44
48
55
59
66
64
70
75
70
66
65
61
57
62
72
92
92

High Clouds (% Sky Obscured)

100
100
98
97
94
79
71
55
63
80
100
100
100
100
100
100
100
99
99
98
98
99
100
92

ISS Passover

Visibility (miles)

8
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

69
47
27
14
21
15
12
8
16
12
11
67
88
95
95
95
94
70
47
12
15
13
8
19

Precipitation Amount (mm)

0.5
0
0
0
0
0
0
0
0
0
0
0.3
0.7
1.2
1.1
1.3
0.9
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
7
7
7
7
7
7
6
6
5
4
4
3
3
3
3
2
2
2
1
1

Chance of Frost

Temperature (°C)

14
14
15
15
15
15
16
16
16
15
15
15
14
14
14
14
14
14
13
13
13
13
14
14

Feels Like (°C)

14
14
14
14
15
15
15
15
15
14
14
13
14
14
13
13
13
13
13
12
13
13
13
13

Dew Point (°C)

14
14
14
15
15
15
14
14
14
14
14
13
13
13
13
13
13
13
12
12
12
12
12
13

Relative Humidity (%)

98
98
98
98
96
95
92
90
92
90
92
90
92
92
93
92
93
93
93
95
95
93
92
90

Pressure (mb)

1025
1025
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023

Ozone (du)

336
332
330
329
328
326
325
324
323
323
323
324
323
322
321
320
318
317
316
315
314
313
313
312

Monday 25

Waxing Gibbous 76%

15:10

03:00

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:48, Set: 20:22, Transit: 13:05. Moon - Rise: 15:10, Set: 03:00. Civil Dark: 20:52 - 05:17. Nautical Dark: 21:30 - 04:39. Astro Dark: 22:13 - 03:57

Total Clouds (% Sky Obscured)

100
99
99
100
100
98
96
94
96
97
98
98
99
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

95
93
89
86
82
74
67
59
60
62
63
67
71
77
79
80
79
79
78
77
75
77
80
84

Medium Clouds (% Sky Obscured)

92
91
89
87
85
88
89
88
84
76
69
76
83
90
87
86
87
96
99
100
99
97
96
95

High Clouds (% Sky Obscured)

84
75
76
80
84
84
80
76
81
87
92
94
95
96
96
97
100
100
100
100
89
80
77
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

24
25
33
37
39
34
29
21
26
34
25
24
25
23
26
37
45
45
44
42
45
45
43
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
2
2
3
3
4
3
3
3
3
3
4
3
2
2
2
2
2
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

15
16
17
18
19
20
20
19
19
18
18
17
17
17
17
17
17
17
17
17
17
17
18
18

Feels Like (°C)

15
15
16
15
16
16
21
20
20
20
20
20
17
18
18
18
18
18
18
17
18
18
18
18

Dew Point (°C)

13
13
14
14
14
15
15
16
16
16
17
17
17
17
17
17
17
17
17
17
17
17
17
18

Relative Humidity (%)

87
83
81
77
73
70
75
80
85
89
93
98
100
100
100
100
100
100
98
100
98
98
96
98

Pressure (mb)

1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1021
1020
1021
1021
1021

Ozone (du)

312
312
312
312
312
312
311
311
310
310
311
311
312
312
313
313
313
313
313
313
313
314
315
316

Tuesday 26

Waxing Gibbous 84%

16:12

03:23

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:48, Set: 20:22, Transit: 13:05. Moon - Rise: 16:12, Set: 03:23. Civil Dark: 20:53 - 05:17. Nautical Dark: 21:31 - 04:38. Astro Dark: 22:14 - 03:56

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
92
88
84
80
76
72
64
64
67
69
74
79
84
87
90
94

Medium Clouds (% Sky Obscured)

92
85
70
56
50
66
80
93
94
97
99
100
100
100
94
86
81

High Clouds (% Sky Obscured)

53
30
18
19
19
46
73
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

49
51
46
38
30
43
52
62
93
94
95
95
95
95
91
74
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.8
0.7
0.9
0.8
0.7
0.7
0.6
0.4
0

Wind Speed/Direction (mph)

2
2
2
2
3
3
3
3
3
3
2
2
2
2
3
2
2

Chance of Frost

Temperature (°C)

19
20
20
21
22
22
22
22
22
21
21
20
20
19
19
19
19

Feels Like (°C)

21
21
22
23
23
24
24
24
24
23
22
22
22
21
21
21
21

Dew Point (°C)

18
19
20
21
21
22
21
21
21
21
20
20
19
19
19
19
18

Relative Humidity (%)

96
96
96
96
96
96
96
96
96
98
96
96
96
98
98
98
98

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

316
316
316
316
315
315
315
315
315
315
314
314
315
315
316
316
316

Forecast for Friendship Acres, Charles County, United States of America (38.44,-77.13)

Generated: 20/05/26 09:17:54. Forecast: 20/05/26 to 26/05/26. Timezone: UTC-4.00