Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 13%

08:12

00:00

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

Sun - Rise: 05:52, Set: 20:17, Transit: 13:05. Moon - Rise: 08:12, 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)

60
51
53
44
7
4
4
16
34
42
43
27
48
42
2
30
0
2
2
2
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
16
0
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
8
8
5
32
42
2
9
0
2
2
2
0
0
0
0

High Clouds (% Sky Obscured)

20
20
21
13
6
3
4
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

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
3
4
2
0
0
0
0
0
0
0
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

22
23
25
27
30
32
34
35
35
36
36
35
32
29
27
25
24
24
24
24
23
22
21
20

Feels Like (°C)

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

Dew Point (°C)

18
17
16
15
15
15
14
14
13
13
12
15
18
18
18
19
19
18
16
16
16
16
15
15

Relative Humidity (%)

79
69
56
47
40
35
31
27
26
25
24
29
42
52
57
69
74
70
60
63
64
67
66
69

Pressure (mb)

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

Ozone (du)

326
324
322
319
318
317
317
317
319
320
320
320
320
318
318
318
318
318
317
316
314
315
319
320

Wednesday 20

Waxing Crescent 23%

09:27

00:45

07 Good
08 Good
09 Good
10 Good
11 Good
12 OK
13 OK
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

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)

0
0
0
2
4
3
2
39
77
86
100
100
100
100
89
85
100
100
100
77
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
26
0
0
0
4
40
39
31
47
63
54
50
46
53
59
73
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
14
19
23
94
78
36
52
37
44
55
60
64
59
72
63
100
96

High Clouds (% Sky Obscured)

0
0
0
0
3
3
2
4
53
76
60
100
100
100
75
59
99
100
100
61
100
88
99
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
5
2
8
8
6
0
8
1
4
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
Very Light Rain
None
Light Rain
Light Rain
None
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
1
4
13
32
56
42
72
69
65
95
95
95
95
95
79
95
68
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0.4
0.4
0
0.7
3.3
3.4
1.8
1.9
0.5
0.8
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
23
25
28
30
32
34
34
35
35
34
25
25
23
22
21
21
21
21
20
20
19
17
17

Feels Like (°C)

23
25
28
31
34
36
36
37
37
37
35
26
26
24
23
23
23
23
22
23
22
21
17
16

Dew Point (°C)

16
15
15
15
16
16
15
14
14
13
13
24
24
23
22
21
21
21
21
20
20
19
17
16

Relative Humidity (%)

73
62
53
47
41
37
32
29
27
26
28
92
94
97
96
98
98
98
98
100
98
98
96
96

Pressure (mb)

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

Ozone (du)

319
316
316
316
317
317
316
314
313
312
310
307
308
309
309
310
311
309
310
309
311
310
311
312

Thursday 21

Waxing Crescent 33%

10:42

01:21

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 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
100
100
100
100
100
99
100
99
99
93
100
100
94
95
100
98
97
95
97
99

Low Clouds (% Sky Obscured)

72
88
100
98
99
94
87
86
79
75
69
82
85
87
100
100
88
77
82
86
89
92
89
86

Medium Clouds (% Sky Obscured)

100
100
100
100
96
100
100
100
98
96
91
92
84
64
79
83
85
92
100
97
94
91
94
97

High Clouds (% Sky Obscured)

100
100
93
100
71
69
69
21
20
17
100
67
83
39
85
76
40
34
79
74
75
73
83
91

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
9
6
9
4
6
9
3
6
8
9
6
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
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
None
Light Rain
None
Very Light Rain
Light Rain
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

61
95
95
95
95
95
95
95
89
87
69
66
64
78
68
73
47
71
76
55
42
49
68
84

Precipitation Amount (mm)

0
0.7
0.8
0.8
0.6
1
1.5
0.8
0.8
0.8
0.2
0
0
0.3
0
0.4
0
0.3
0.4
0
0
0
0.3
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
15
14
11
9
8
8
9
10
10
11
11
12
12
12
12
12
13
13
13
13
12
13

Relative Humidity (%)

96
95
93
89
84
73
68
67
75
80
82
84
87
95
96
96
98
98
98
98
100
98
96
98

Pressure (mb)

1021
1022
1022
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1026
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

313
313
313
312
312
312
313
311
311
310
310
311
312
314
315
316
317
317
317
317
316
315
314
314

Friday 22

Waxing Crescent 45%

11:54

01:50

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 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
100
100
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
86
92
98
99
99
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
99
98
97
98
98
99
98
97
96
96
96
97
95
87
91
84
88
95
96
97
97
90
84

High Clouds (% Sky Obscured)

100
100
100
100
100
100
96
74
49
24
31
35
40
48
51
60
71
86
71
67
71
55
53
47

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

87
92
83
74
65
68
71
65
57
61
62
64
78
80
78
63
51
47
43
66
76
70
70
63

Precipitation Amount (mm)

0.9
1
0.6
0.3
0.2
0.3
0.3
0
0
0.2
0
0
0.4
0.3
0.3
0.2
0
0
0
0.2
0.4
0.3
0.4
0.3

Wind Speed/Direction (mph)

5
6
6
6
6
6
6
5
5
6
6
6
5
5
5
5
5
5
5
4
4
4
4
4

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)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1025
1026
1026
1026
1027
1026
1026
1026
1025
1025
1025
1024
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1022
1023

Ozone (du)

315
315
314
315
316
317
317
318
318
318
318
318
319
321
320
323
324
324
323
321
320
321
321
323

Saturday 23

First Quarter 56%

13:03

02:15

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 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
99
99
99
99
99
99
100
100
98
97
95
96
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
99
98
97
97
97
97
97
97
96
92
88
83
89
94
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

63
47
36
20
37
59
76
76
76
80
78
75
74
76
81
82
72
63
55
58
57
56
56
30

High Clouds (% Sky Obscured)

46
53
62
78
82
86
83
61
57
42
52
73
99
77
54
32
54
77
100
100
100
100
99
99

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

32
26
19
30
50
70
76
81
84
95
91
95
84
78
64
50
53
52
49
61
69
73
71
61

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.5
0.3
0
0.5
0.3
0.5
0.3
0.4
0.2
0
0
0
0
0.2
0.3
0.4
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1023
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

325
326
326
325
323
322
321
321
321
320
321
324
327
328
328
328
328
327
327
326
327
328
329
329

Sunday 24

Waxing Gibbous 66%

14:07

02:38

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 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
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
100
100
99
97
97
98
99
99
100
100

Medium Clouds (% Sky Obscured)

20
19
14
10
15
21
27
48
67
82
66
45
22
42
62
82
73
71
72
90
96
98
97
96

High Clouds (% Sky Obscured)

97
81
61
43
62
73
78
85
91
100
98
97
96
97
98
99
90
77
65
77
88
100
75
62

ISS Passover

Visibility (miles)

2
3
5
7
9
9
9
9
9
9
9
9
9
9
8
8
8
6
4
3
5
7
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 (%)

56
53
45
30
29
24
21
18
16
14
13
13
15
26
33
34
32
30
26
22
16
4
14
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
14
14
14
14
14
15
16
17
16
17
17
17
15
15
15
15
15
15
15
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
95
95
93
92
89
87
85
86
89
90
93
95
98
98
98
100
98
98
100
98

Pressure (mb)

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

Ozone (du)

329
329
328
327
326
325
323
322
321
320
319
319
319
319
318
316
314
313
313
312
312
313
313
314

Monday 25

Waxing Gibbous 76%

15:10

03:00

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
23 Bad
00 Bad
01 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
100
100
100
100
100
100
100
99
98
99
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
98
96
95
96
96
97
96
94
95
97
99
100
93
86
79
84
89
93

Medium Clouds (% Sky Obscured)

94
88
83
81
84
83
79
71
68
67
71
73
79
79
85
90
93
96
99

High Clouds (% Sky Obscured)

50
63
75
86
66
48
30
21
12
3
33
63
94
93
93
92
94
97
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

19
21
23
24
32
33
20
25
28
24
31
31
30
34
37
40
35
33
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
17
17
17
18
18
19
20
20
20
21
21
22
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

98
98
92
86
81
81
81
82
81
80
80
86
93
100
98
98
98
98
98

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

314
315
314
314
313
313
312
312
312
312
311
312
312
312
313
313
313
313
313

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

Generated: 19/05/26 07:38:24. Forecast: 19/05/26 to 25/05/26. Timezone: UTC-4.00