Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waxing Crescent 45%

11:54

01:21

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

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

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

94
81
85
87
87
82
89
91
92
96
96
96
89
92
93
94
90
86
83
82
87
87
87
94

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
99
99
98
100
99
100
100
100
100
98
90
100
99
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
61
67
88
87
100
33
50
49
44
53
100
80
84
54
65
75
94
98

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
83
92
94
75
56
42
35
60
67
77
95
95
95
94
84
69
36
34

Precipitation Amount (mm)

0.7
2.1
2.1
1.3
1.1
0.8
0.5
0.6
0.6
0.3
0
0
0
0.2
0.2
0.4
0.6
0.9
1.2
0.5
0.7
0.5
0
0

Wind Speed/Direction (mph)

6
6
6
6
6
7
8
7
6
6
7
7
7
7
6
7
6
7
7
7
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
14
14
13
13
13
13
13
13
13
13
13
14
14
13
14
12
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
100
98
98
98
98
98
98
96
96
95
93
96
96
98
98
98
98
96
96
96
98

Pressure (mb)

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

Ozone (du)

321
321
319
320
321
320
319
319
318
319
318
318
318
317
317
316
316
317
316
316
315
314
314
317

Friday 22

Waxing Crescent 56%

13:03

01:50

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:50, Set: 20:20, Transit: 13:05. Moon - Rise: 13:03, Set: 01:50. Civil Dark: 20:50 - 05:19. Nautical Dark: 21:28 - 04:42. Astro Dark: 22:10 - 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
91
100
89
100
91
90
95
91
88
86
87
86
89
97
91
100
100
100

Medium Clouds (% Sky Obscured)

99
94
99
100
100
100
100
98
65
81
100
91
99
97
100
100
98
100
87
87
100
97
97
80

High Clouds (% Sky Obscured)

100
97
100
100
100
91
72
93
93
81
94
100
100
96
87
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

5
7
4
4
1
2
2
1
7
7
7
7
3
4
6
2
8
3
8
8
7
8
7
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
None
None
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

25
20
21
23
39
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
71
48

Precipitation Amount (mm)

0
0
0
0
0
0.6
2.1
2.9
2.5
3.7
1.5
3.3
1.7
0.8
0.8
1.2
1.5
1.1
1.5
1.6
0.9
0.7
0
0

Wind Speed/Direction (mph)

6
6
6
6
6
7
7
6
7
6
7
7
6
7
8
7
7
7
8
8
8
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
13
12
12
12
12
12
12
13
13
12
13
13
13
14
13
14
13
12
13
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

318
319
319
319
319
321
320
320
319
320
320
318
318
319
318
318
317
317
318
319
319
321
322
323

Saturday 23

First Quarter 66%

14:07

02:15

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:49, Set: 20:21, Transit: 13:05. Moon - Rise: 14:07, Set: 02:15. Civil Dark: 20:51 - 05:19. Nautical Dark: 21:29 - 04:41. Astro Dark: 22:11 - 03:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
96
96
98
96
98
96
97
98
95
96
96
97

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
91
93
96
93
95
92
92
96
94
94
93
93

Medium Clouds (% Sky Obscured)

76
83
85
73
49
87
34
1
15
37
34
35
32
29
19
15
14
9
6
8
6
5
8
10

High Clouds (% Sky Obscured)

99
100
100
100
100
96
100
100
100
99
100
24
29
15
10
20
26
27
50
57
62
61
56
54

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
8
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
2
0
59
69
16
70
13
9
2
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 (%)

34
36
23
20
12
19
24
1
0
1
4
11
3
5
1
0
0
0
0
0
0
2
16
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
14
14
14
13
13
13
14
14
14
15
16
16
18
19
22
22
23
23
22
20
20
19

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
100
100
98
100
100
100
98
96
96
96
93
89
83
72
73
71
73
82
88
92
93

Pressure (mb)

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

Ozone (du)

325
329
329
329
334
334
334
335
337
339
337
333
329
328
327
327
327
327
329
329
327
327
326
325

Sunday 24

Waxing Gibbous 76%

15:10

02:38

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:49, Set: 20:22, Transit: 13:05. Moon - Rise: 15:10, Set: 02:38. Civil Dark: 20:52 - 05:18. Nautical Dark: 21:30 - 04:40. Astro Dark: 22:13 - 03:57

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

92
91
87
86
84
81
83
85
86
87
87
87
88
89
89
84
78
73
71
68
66
72
78
84

Medium Clouds (% Sky Obscured)

8
9
23
21
45
64
69
55
78
82
82
83
85
82
93
96
98
100
99
100
100
100
99
95

High Clouds (% Sky Obscured)

71
85
100
100
100
100
76
52
32
51
66
79
66
52
41
40
55
64
78
92
85
79
93
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

2
1
2
5
9
18
19
5
5
6
8
8
23
33
48
60
77
95
95
95
95
95
95
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.7
0.7
0.9
0.6
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
17
17
17
17
17
18
19
19
20
20
22
23
22
21
21
21
21
20
19
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
96
98
98
100
98
96
95
95
92
91
78
76
80
84
86
84
81
92
95
98
98

Pressure (mb)

1022
1022
1021
1021
1021
1021
1020
1020
1021
1021
1021
1020
1021
1020
1020
1020
1020
1020
1020
1019
1019
1020
1020
1020

Ozone (du)

325
324
323
323
324
323
323
321
321
321
321
320
319
317
317
316
316
315
315
314
314
315
315
316

Monday 25

Waxing Gibbous 84%

16:12

03:00

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:48, Set: 20:22, Transit: 13:05. Moon - Rise: 16:12, Set: 03:00. Civil Dark: 20:53 - 05:17. Nautical Dark: 21:31 - 04:39. Astro Dark: 22:14 - 03:57

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

83
87
89
93
96
100
94
88
82
86
90
94
84
73
62
92
90
87
86
84
82
83
84
85

Medium Clouds (% Sky Obscured)

83
95
88
86
91
87
91
91
93
90
87
86
86
86
79
88
91
100
93
87
81
78
73
71

High Clouds (% Sky Obscured)

93
93
94
96
98
100
99
99
98
83
74
56
46
80
100
71
46
24
40
62
87
96
98
98

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

Very 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
None
None
None
None

Precipitation Probability (%)

78
79
78
75
62
53
40
33
40
35
35
35
30
24
19
23
22
20
19
17
13
11
13
15

Precipitation Amount (mm)

0.3
0.4
0.4
0.3
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
3
3
2
2
2
2
2
2
2
3
3
3
2
1
1
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
98
96
96
95
96
93
95
96
95
95
93
93
91
91
92
93
95
95
96
98
100

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1019
1019
1019
1019
1019
1020
1019
1019
1019
1018
1018
1018
1019

Ozone (du)

316
316
315
315
316
316
318
318
319
320
320
320
320
321
321
320
320
320
319
319
318
318
318
318

Tuesday 26

Waxing Gibbous 90%

17:13

03:23

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:48, Set: 20:23, Transit: 13:05. Moon - Rise: 17:13, Set: 03:23. Civil Dark: 20:54 - 05:17. Nautical Dark: 21:32 - 04:38. Astro Dark: 22:15 - 03:56

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
97
95
93
94
95
97
98
99
100
99
98
93
93
95
97
98
99
100

Low Clouds (% Sky Obscured)

80
75
70
77
84
91
90
89
88
83
78
72
61
50
39
42
45
45
43
42
40
48
57
69

Medium Clouds (% Sky Obscured)

81
89
94
91
89
86
82
78
70
68
69
70
69
70
70
59
46
33
37
41
48
66
83
98

High Clouds (% Sky Obscured)

98
99
100
99
98
97
73
52
29
47
72
75
82
91
100
99
98
93
80
86
94
97
98
98

ISS Passover

Visibility (miles)

9
9
9
9
8
7
5
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
None
None
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
Moderate Rain
Moderate Rain

Precipitation Probability (%)

20
22
22
26
29
32
31
27
17
18
17
11
23
24
20
75
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.9
1.3
1.9
1.9
2.7
4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
19
19
19
19
20
20
21
23
24
26
27
28
29
29
29
27
25
23
22
22

Feels Like (°C)

21
21
21
21
20
20
20
20
21
21
23
24
24
25
25
26
32
32
31
31
31
32
23
24

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
98
100
100
100
98
98
98
91
84
79
72
65
59
57
55
53
63
76
92
94
96

Pressure (mb)

1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

319
319
318
318
319
320
321
322
322
322
322
321
320
321
322
323
324
325
325
325
324
324
325
327

Wednesday 27

Waxing Gibbous 88%

18:15

03:48

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
18 Bad
19 Bad

Sun - Rise: 05:47, Set: 20:24, Transit: 13:05. Moon - Rise: 18:15, Set: 03:48. Civil Dark: 20:55 - 05:16. Nautical Dark: 21:33 - 04:38. Astro Dark: 22:16 - 03:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
98
90
85
78
72
66
64
60
68
68
70
77
81

Low Clouds (% Sky Obscured)

76
82
88
70
57
44
46
45
45
52
59
66
60
54
49
39
30
20
15
9
4

Medium Clouds (% Sky Obscured)

96
93
90
92
94
94
94
95
95
86
71
55
40
25
25
25
30
45
50
55
70

High Clouds (% Sky Obscured)

98
99
100
90
81
71
61
58
49
33
24
10
10
5
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
76
48
41
27
2
5
6
6
7
5
1
5
7
6
6
4
0

Precipitation Amount (mm)

1.6
1.5
1.3
0.9
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
21
20
20
20
19
19
19
19
19
19
20
20
21
20
20
20
19
19

Feels Like (°C)

24
24
24
23
22
22
23
22
22
21
21
21
21
20
21
21
22
22
22
21
21

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
96
98
98
96
98
98
96
96
95
92
89
86
86
88
89
88
86

Pressure (mb)

1013
1013
1012
1012
1012
1012
1013
1014
1014
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

328
329
330
331
331
331
331
331
331
331
332
332
333
333
332
332
332
333
333
333
332

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

Generated: 21/05/26 23:58:01. Forecast: 21/05/26 to 27/05/26. Timezone: UTC-4.00