Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 18

Waxing Crescent 13%

08:12

23:03

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

Sun - Rise: 05:53, Set: 20:16, Transit: 13:05. Moon - Rise: 08:12, Set: 23:03. Civil Dark: 20:46 - 05:22. Nautical Dark: 21:23 - 04:45. Astro Dark: 22:04 - 04:04

Total Clouds (% Sky Obscured)

44
35
30
37
18
11
0
0
0
0
0
0
0
0
2
2
0
0
38
55
9
35
34
63

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0

Medium Clouds (% Sky Obscured)

3
5
5
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
5
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
35
47
6
3
2
30

ISS Passover

Visibility (miles)

9
9
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

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

34
33
30
27
24
23
23
23
22
21
21
20
20
21
23
25
28
31
33
34
35
36
36
36

Feels Like (°C)

37
36
33
31
29
27
26
26
25
23
23
22
22
23
25
27
30
33
35
36
37
37
36
36

Dew Point (°C)

17
22
23
22
21
20
19
19
18
18
17
17
16
17
16
16
15
15
14
14
13
12
12
12

Relative Humidity (%)

34
51
67
74
80
81
75
79
79
80
80
81
78
77
64
54
45
38
33
29
25
23
22
22

Pressure (mb)

1018
1019
1019
1020
1020
1021
1021
1021
1020
1021
1021
1020
1021
1021
1021
1022
1022
1021
1021
1020
1019
1019
1018
1017

Ozone (du)

325
325
326
327
327
328
328
328
327
326
326
327
328
326
328
327
325
323
323
322
323
322
321
322

Tuesday 19

Waxing Crescent 23%

09:27

00:00

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

Sun - Rise: 05:52, Set: 20:17, Transit: 13:05. Moon - Rise: 09:27, Set: 00:00. Civil Dark: 20:47 - 05:22. Nautical Dark: 21:24 - 04:44. Astro Dark: 22:05 - 04:03

Total Clouds (% Sky Obscured)

69
68
61
66
65
64
69
33
21
18
17
0
0
7
18
41
14
17
4
2
90
91
90
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

5
7
12
66
14
14
15
11
8
8
7
0
0
5
8
41
9
2
1
1
33
38
73
86

High Clouds (% Sky Obscured)

34
40
35
9
35
8
21
9
0
0
0
0
0
0
10
2
5
17
4
2
62
58
39
89

ISS Passover

Visibility (miles)

9
9
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

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
0
0
0
0
0
0
0
4
4
0
0
0
0
0
0
0
0
5
24
40
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

35
32
29
28
28
26
26
25
25
24
23
22
21
21
23
25
27
30
32
34
35
35
36
30

Feels Like (°C)

36
35
32
30
28
28
27
26
25
25
24
23
22
24
25
27
29
33
34
36
37
37
37
29

Dew Point (°C)

14
18
19
18
16
16
15
15
15
14
14
13
14
16
15
15
15
15
16
15
14
14
13
20

Relative Humidity (%)

27
43
54
54
47
51
52
52
53
55
55
56
62
71
60
52
45
40
36
31
29
27
25
55

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1016
1015
1014
1013
1013

Ozone (du)

321
320
320
319
317
315
315
315
318
318
318
318
316
316
316
319
318
319
317
316
316
315
312
313

Wednesday 20

Waxing Crescent 33%

10:42

00:45

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:51, Set: 20:17, Transit: 13:05. Moon - Rise: 10:42, 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)

77
100
100
100
100
97
92
97
99
100
100
100
100
100
92
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
27
46
0
19
21
47
63
66
53
33
35
51
72
77
74
74
78
86
83
84
83
83
82

Medium Clouds (% Sky Obscured)

67
88
60
56
83
92
78
91
97
100
100
100
100
100
85
100
98
100
98
99
97
100
100
96

High Clouds (% Sky Obscured)

43
100
100
99
98
43
43
20
25
61
31
95
51
3
2
48
63
31
65
77
83
82
83
74

ISS Passover

Visibility (miles)

9
8
9
8
9
9
9
9
5
9
9
9
9
9
5
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
Very Light Rain
None
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
75
50
70
59
51
43
52
55
17
13
21
27
61
65
53
57
63
79
95
93
95
95
95

Precipitation Amount (mm)

0.6
0.2
0
0.3
0
0
0
0.2
0.3
0
0
0
0
0.4
0.3
0
0
0
0.4
1
0.8
1.5
1.7
1.9

Wind Speed/Direction (mph)

10
8
5
4
5
2
4
5
7
9
8
7
7
7
7
8
7
8
7
7
6
7
6
6

Chance of Frost

Temperature (°C)

26
23
23
23
22
21
21
21
21
20
18
17
17
16
16
15
15
15
14
14
14
13
13
13

Feels Like (°C)

26
24
25
25
24
24
23
22
21
20
18
17
16
16
15
14
14
13
11
12
11
11
11
11

Dew Point (°C)

21
22
22
22
22
21
21
20
20
19
17
16
16
15
15
14
13
13
12
11
10
11
11
11

Relative Humidity (%)

70
94
94
95
100
98
98
98
96
96
95
95
93
93
96
93
90
87
87
83
80
83
87
87

Pressure (mb)

1015
1016
1016
1017
1019
1019
1019
1019
1019
1020
1020
1020
1021
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

313
313
313
313
313
313
313
312
312
312
312
313
314
314
315
314
314
314
314
314
314
314
313
313

Thursday 21

Waxing Crescent 33%

11:54

01:21

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:50, Set: 20:18, Transit: 13:05. Moon - Rise: 11:54, 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
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
80
81
85
89
93
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
100
100
99
99
97
94
92
94
94
95
95
94
95
91
86
83
87
90
93
93
93
93
92

High Clouds (% Sky Obscured)

70
53
71
75
83
81
81
81
84
80
100
78
58
32
49
54
63
73
87
75
69
72
55
53

ISS Passover

Visibility (miles)

9
9
8
6
3
2
7
9
5
3
2
2
7
6
2
3
4
9
9
7
3
4
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
94
95
95
95
95
93
73
82
90
68
53
47
64
81
75
64
68
62

Precipitation Amount (mm)

2
2.1
1.8
1.3
1.1
1
0.4
0.4
0.8
0.7
1
0.6
0.3
0.5
0.7
0.3
0
0
0.2
0.5
0.5
0.3
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

12
12
12
13
12
13
13
13
13
13
13
13
13
12
13
12
12
12
12
13
13
13
13
13

Relative Humidity (%)

90
90
92
98
96
98
98
100
100
98
98
98
98
96
100
98
98
96
96
98
100
98
96
98

Pressure (mb)

1024
1024
1025
1025
1025
1026
1025
1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1026
1025
1025
1025
1025
1024
1024

Ozone (du)

313
314
314
315
316
316
316
316
315
315
315
315
315
315
315
315
315
316
316
317
318
319
320
318

Friday 22

Waxing Crescent 45%

13:03

01:50

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:50, Set: 20:19, Transit: 13:05. Moon - Rise: 13:03, 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
100
100
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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
93
95
98
100
100
100
100
99

Medium Clouds (% Sky Obscured)

91
90
94
97
100
97
100
100
99
98
98
94
89
86
90
93
95
96
95
94
85
77
68
76

High Clouds (% Sky Obscured)

46
27
47
54
67
41
82
79
56
54
42
36
33
46
64
81
100
84
69
59
61
68
70
65

ISS Passover

Visibility (miles)

9
8
9
8
9
9
9
9
8
6
5
2
1
7
2
3
3
4
3
2
2
1
1
0

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

Precipitation Probability (%)

57
57
66
58
36
39
44
43
89
95
95
95
82
65
89
88
90
81
78
75
75
78
84
83

Precipitation Amount (mm)

0.2
0
0.3
0
0
0
0
0
0.7
1.4
1.6
1.1
0.5
0.3
0.6
0.6
0.7
0.5
0.5
0.5
0.4
0.4
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
98
98
98
98
100
98
98
100
100
98
98
98
100
98
98
100
100

Pressure (mb)

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

Ozone (du)

317
318
318
318
318
318
319
319
318
318
319
319
322
322
322
322
323
323
322
322
321
322
324
325

Saturday 23

First Quarter 56%

14:07

02:15

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:49, Set: 20:20, Transit: 13:05. Moon - Rise: 14:07, 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)

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

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

89
97
77
55
30
25
24
23
24
43
49
60
74
82
75
67
60
51
36
22
14
9
8
6

High Clouds (% Sky Obscured)

68
71
68
65
63
59
51
40
50
62
74
66
59
53
51
49
38
44
62
88
67
47
27
51

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

77
59
47
36
23
24
24
18
51
66
78
75
69
59
25
21
13
15
14
12
12
12
12
12

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0.2
0.4
0.7
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
100
100
100
98
98
98
100
100
98
100
98
98
98
95
95
92
90
87
86
83
81

Pressure (mb)

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

Ozone (du)

325
325
325
326
326
327
328
329
330
329
328
327
326
326
325
324
323
322
322
321
320
319
318
316

Sunday 24

Waxing Gibbous 66%

15:10

02:38

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:49, Set: 20:21, Transit: 13:05. Moon - Rise: 15:10, 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
100
100
100
100
100
100
100
100
100
100
100
99
98
98
99
99
100

Low Clouds (% Sky Obscured)

98
97
97
97
97
98
98
98
95
93
89
89
89
89
91
93
95
94
93
92

Medium Clouds (% Sky Obscured)

7
9
30
51
71
76
76
72
71
78
87
81
75
70
68
67
61
62
61
64

High Clouds (% Sky Obscured)

82
100
99
98
99
100
100
100
100
100
100
100
100
100
72
44
20
51
74
97

ISS Passover

Visibility (miles)

9
9
9
8
7
6
6
7
8
7
7
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
2
17
27
38
44
44
43
37
31
21
19
15
8
11
13
11
15
15
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
5
5
5
5
5
4
4
3
3
3
3
3
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
16
16
17
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
85
89
92
98
98
98
100
100
100
100
98
98
98
98
96
96
95
93

Pressure (mb)

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

Ozone (du)

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

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

Generated: 18/05/26 18:44:09. Forecast: 18/05/26 to 24/05/26. Timezone: UTC-4.00