Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waxing Crescent 33%

10:42

01:21

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
09 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)

93
95
96
97
98
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
93
95
83
92
93
96
87
89
77
70
64
77
82
83
78
72
78
83
81
87
86
85
86

Medium Clouds (% Sky Obscured)

19
13
16
26
81
24
19
25
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

93
95
68
75
76
80
40
98
100
85
100
100
100
100
100
100
100
100
100
100
100
70
62
28

ISS Passover

Visibility (miles)

8
4
9
9
9
9
9
8
7
8
9
9
9
9
8
8
8
3
5
3
4
4
7
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
Light Rain
Very 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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
32
26
42
40
35
50
55
71
69
78
88
86
95
95
95
95
95
95
95
95
90
88
95

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0.4
0.2
0.2
0.4
0.4
0.6
0.5
0.8
1.3
1.3
1.1
1
0.7
0.6
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
19
19
19
19
18
17
16
16
15
15
15
15
15
15
14
14
13
13
13
13
13

Feels Like (°C)

22
20
20
19
18
18
18
16
15
15
14
15
14
14
14
15
14
13
13
12
12
12
12
12

Dew Point (°C)

21
19
18
18
16
14
13
13
14
14
14
14
14
14
15
15
14
14
13
13
13
13
13
13

Relative Humidity (%)

96
93
93
89
82
72
65
74
81
87
87
89
95
96
100
98
98
96
98
98
98
98
98
98

Pressure (mb)

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

Ozone (du)

323
323
322
322
321
320
320
318
318
319
321
323
324
323
322
321
320
321
321
320
322
323
323
322

Friday 22

Waxing Crescent 45%

11:54

01:50

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
09 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
99
99
100
100
100
99
99
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
98
96
100
100
95
98
97
90
91
99
100
100
100
100
100
100
100
100
100
100
100
100
99

Medium Clouds (% Sky Obscured)

100
99
99
100
100
100
99
99
100
98
100
100
98
96
93
71
71
85
88
84
70
77
73
90

High Clouds (% Sky Obscured)

66
64
67
100
82
83
82
86
82
76
62
62
100
100
97
100
100
100
100
95
95
91
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

86
70
71
83
95
94
95
94
95
93
63
56
40
40
28
16
15
13
12
15
48
40
35
95

Precipitation Amount (mm)

0.6
0.3
0.2
0.3
0.6
0.4
0.6
0.5
0.8
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

321
321
323
322
321
323
323
323
323
323
322
321
321
322
321
321
322
322
322
323
323
323
322
319

Saturday 23

First Quarter 56%

13:03

02:15

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
09 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
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

100
100
95
87
85
86
91
88
88
95
90
92
91
91
99
100
100
100
100
100
100
99
97
95

Medium Clouds (% Sky Obscured)

95
100
100
99
100
100
100
99
97
100
96
99
99
100
100
100
96
100
87
70
50
60
61
62

High Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
73
47

ISS Passover

Visibility (miles)

7
9
9
9
7
6
6
9
9
8
8
9
9
8
2
0
0
0
0
0
0
0
0
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

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

Precipitation Probability (%)

95
63
95
95
95
95
95
95
95
95
95
95
95
95
95
72
95
95
95
90
77
68
55
27

Precipitation Amount (mm)

0.6
0
0.9
1.3
1
1.2
0.9
0.6
0.5
0.9
1
0.7
0.9
1
1.1
0
1.2
1.1
0.7
0.6
0.4
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
98
96
98
98
98
98
98
96
96
96
98
98
100
100
98
100
98
100
100
100
100
98

Pressure (mb)

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

Ozone (du)

319
319
318
318
317
317
317
318
318
318
318
318
318
318
318
319
321
323
324
325
327
331
333
334

Sunday 24

Waxing Gibbous 66%

14:07

02:38

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
09 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)

96
93
90
87
89
91
93
94
95
96
92
88
85
87
90
93
96
98
100
100
99
99
99
99

Low Clouds (% Sky Obscured)

93
87
83
77
78
82
86
87
87
88
79
71
62
64
67
69
73
78
83
86
90
94
91
88

Medium Clouds (% Sky Obscured)

63
49
54
53
30
25
19
20
23
25
24
29
33
31
31
25
28
31
31
47
72
89
89
89

High Clouds (% Sky Obscured)

25
26
2
1
26
46
43
50
61
68
60
34
44
51
60
69
82
92
83
98
89
94
89
87

ISS Passover

Visibility (miles)

0
0
3
8
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 (%)

19
10
3
1
0
8
4
4
2
1
1
1
1
2
2
1
2
3
0
2
6
9
31
49

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)

4
4
4
4
3
3
3
3
2
3
4
5
5
5
4
4
4
4
4
4
5
4
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
17
18
19
20
20
21
21
21
20
19
18
18
17
17
17
17
16
16
16
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
95
90
86
85
80
80
85
89
90
92
93
95
95
95
96
96
95
95
95
93
93

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

334
335
335
331
330
330
328
327
326
326
326
327
327
327
326
324
323
322
321
320
319
318
318
318

Monday 25

Waxing Gibbous 76%

15:10

03:00

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
09 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)

98
99
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
91
95
100
94
87
82
85
87
90
94
97
100
100
100
100
92
88
82
83
84
85
85
85

Medium Clouds (% Sky Obscured)

85
92
96
100
100
100
100
100
100
99
100
100
100
99
98
97
97
90
83
90
95
100
100
100

High Clouds (% Sky Obscured)

75
57
54
43
55
68
85
91
83
96
96
92
100
100
100
100
91
74
56
51
50
50
47
57

ISS Passover

Visibility (miles)

8
9
9
9
9
5
8
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
3

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

Precipitation Probability (%)

40
55
75
95
95
95
95
95
95
95
95
95
81
65
53
45
53
51
50
65
80
95
95
95

Precipitation Amount (mm)

0
0
0
0.3
0.8
1
1
1.4
1.2
1.4
1
0.7
0.5
0.3
0
0
0.2
0.2
0
0.3
0.4
0.6
1.1
1.8

Wind Speed/Direction (mph)

5
5
5
5
4
4
4
3
4
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
16
16
16
16
16
16
16
17
17
16
16
16
17
17
17
17

Feels Like (°C)

18
17
17
17
18
18
17
18
17
17
17
17
17
17
18
18
18
18
18
18
18
18
18
19

Dew Point (°C)

17
16
17
16
17
17
16
16
16
16
16
16
16
16
16
17
16
16
16
16
17
16
17
17

Relative Humidity (%)

95
96
98
96
98
98
98
98
98
98
100
98
100
98
98
100
98
98
100
100
100
98
100
100

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1021
1020
1020
1020
1021
1021
1021

Ozone (du)

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

Tuesday 26

Waxing Gibbous 84%

16:12

03:23

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
09 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)

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

Low Clouds (% Sky Obscured)

85
85
84
84
85
86
86
79
73
66
65
64
63
63
64
64
65
66
71
68
65
62
67
75

Medium Clouds (% Sky Obscured)

100
100
100
100
99
98
96
92
89
93
95
93
83
81
80
86
89
94
99
97
94
91
93
95

High Clouds (% Sky Obscured)

69
73
77
80
80
80
81
87
88
89
87
77
97
100
100
100
100
100
100
99
99
98
96
94

ISS Passover

Visibility (miles)

2
1
4
7
9
9
9
9
9
9
9
9
9
9
9
8
8
8
7
7
8
8
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
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
86
62
39
11
12
11
4
9
11
7
8
7
3
6
8
8
9
7

Precipitation Amount (mm)

2
2
2.3
2.7
2.2
1.5
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
2
2
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
1
2

Chance of Frost

Temperature (°C)

17
18
18
18
19
19
19
19
19
19
19
18
18
18
18
18
18
18
18
18
18
19
19
20

Feels Like (°C)

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

Dew Point (°C)

17
18
18
18
18
18
18
18
19
18
18
18
18
18
18
18
18
18
18
18
18
18
18
19

Relative Humidity (%)

100
100
98
96
96
96
96
96
98
96
98
98
100
100
100
100
98
98
98
100
98
96
95
95

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

319
318
319
319
319
320
320
320
321
322
323
323
324
324
324
324
324
324
325
325
325
325
324
324

Wednesday 27

Waxing Gibbous 90%

17:13

03:48

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

Sun - Rise: 05:47, Set: 20:23, Transit: 13:05. Moon - Rise: 17:13, Set: 03:48. Civil Dark: 20:54 - 05:16. Nautical Dark: 21:32 - 04:38. Astro Dark: 22:15 - 03:55

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

78
85
84
85
63
44
26
24
19
16
14
12
10
22
35
47
49
51
53
53
52
51

Medium Clouds (% Sky Obscured)

97
97
98
99
96
93
91
90
88
87
77
71
66
81
91
95
95
95
93
95
97
99

High Clouds (% Sky Obscured)

90
81
74
66
69
75
80
87
93
98
99
100
100
100
100
100
100
99
99
99
99
100

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

Fog (%)

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

Precipitation Probability (%)

2
11
14
16
14
12
8
11
12
11
22
26
26
26
26
23
27
33
40
41
37
31

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

Wind Speed/Direction (mph)

2
3
3
3
4
4
4
4
4
4
3
3
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

20
21
21
22
22
23
23
24
24
23
22
21
21
20
20
20
19
19
19
18
19
19

Feels Like (°C)

22
22
23
23
24
24
24
25
25
26
27
24
23
23
23
23
22
21
20
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

96
95
94
94
94
87
81
78
80
84
88
91
92
95
95
95
93
96
96
98
96
95

Pressure (mb)

1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

324
323
324
324
324
325
326
327
327
327
328
328
328
328
329
330
331
332
332
333
334
334

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

Generated: 21/05/26 10:35:10. Forecast: 21/05/26 to 27/05/26. Timezone: UTC-4.00