Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 18

Waxing Crescent 6%

07:03

23:03

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

Sun - Rise: 05:53, Set: 20:16, Transit: 13:05. Moon - Rise: 07:03, 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)

10
13
2
1
0
0
0
0
0
0
0
4
15
14
8
4
15
0
9
3
10
6
26
29

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
4
1
0
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
3
10
6
26
29

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
1
1
0
1
0
1
2
3
6
14
24
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)

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

Chance of Frost

Temperature (°C)

17
19
22
25
27
30
32
33
34
35
35
35
35
32
28
26
24
23
22
22
22
21
21
20

Feels Like (°C)

19
20
25
28
30
32
34
36
37
37
38
36
37
35
32
31
26
25
26
25
24
24
23
21

Dew Point (°C)

15
16
16
16
16
16
15
15
15
15
15
15
17
21
21
20
18
18
18
18
19
19
19
19

Relative Humidity (%)

85
82
68
59
50
43
36
33
31
29
28
29
35
52
66
72
70
74
76
76
83
87
89
92

Pressure (mb)

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

Ozone (du)

325
324
324
324
323
322
323
322
322
323
323
322
322
322
323
322
323
324
325
324
323
323
322
323

Tuesday 19

Waxing Crescent 13%

08:12

00:00

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

6
3
72
72
38
37
7
28
7
74
67
18
10
1
9
77
100
70
33
19
10
18
12
4

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
11
4
3
0
6
10
100
70
33
19
10
18
12
4

High Clouds (% Sky Obscured)

6
3
48
48
28
26
7
20
4
49
46
8
5
1
3
36
55
21
22
19
10
9
4
1

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

Chance of Frost

Temperature (°C)

20
21
23
25
28
30
33
34
35
36
36
36
35
32
28
27
27
26
25
25
25
24
23
23

Feels Like (°C)

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

Dew Point (°C)

18
18
17
16
16
15
15
14
12
11
11
12
14
16
19
17
16
17
16
15
15
14
14
14

Relative Humidity (%)

89
81
70
57
46
38
34
29
24
22
22
23
27
37
55
55
50
56
57
54
53
55
55
58

Pressure (mb)

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

Ozone (du)

323
323
322
323
323
321
320
318
317
315
315
315
316
316
315
314
314
314
313
312
312
312
312
312

Wednesday 20

Waxing Crescent 23%

09:27

00:45

06 Good
07 Good
08 Good
09 Good
10 Good
11 OK
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

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)

1
5
1
9
9
16
1
4
57
55
78
100
78
95
100
73
59
92
87
87
92
96
100
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
16
0
0
0
0
6
13
17
0
58
68
50
58
59
67
68

Medium Clouds (% Sky Obscured)

1
0
0
8
6
5
1
0
48
51
75
90
78
91
58
65
53
60
55
74
73
68
73
76

High Clouds (% Sky Obscured)

1
5
1
4
6
10
0
1
1
1
0
90
28
17
100
18
15
36
39
30
54
79
99
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
9
9
7
9
9
9
9
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
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
21
43
55
44
50
50
55
78
56
32
17
26
33
14
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
5
4
4
4
4
4
4
6
8
11
8
10
7
4
4
2
3
6
7
7
7
5

Chance of Frost

Temperature (°C)

21
21
23
25
28
30
32
34
35
36
36
27
25
23
22
22
21
21
20
20
20
19
18
17

Feels Like (°C)

21
23
22
27
30
32
35
36
37
37
35
26
27
24
24
24
23
23
22
21
21
20
17
16

Dew Point (°C)

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

Relative Humidity (%)

64
74
63
54
46
40
35
31
28
26
26
69
82
91
92
94
94
96
98
96
96
96
93
95

Pressure (mb)

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

Ozone (du)

312
315
316
316
317
318
319
316
315
314
313
312
310
309
309
311
312
312
313
313
314
315
315
314

Thursday 21

Waxing Crescent 33%

10:42

01:21

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 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)

94
92
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

73
77
83
91
98
92
87
81
78
76
74
76
78
80
85
90
94
96
98
100
99
98
97
92

Medium Clouds (% Sky Obscured)

83
87
92
96
80
96
100
100
100
97
100
100
100
96
100
99
99
98
96
95
92
89
87
91

High Clouds (% Sky Obscured)

29
15
20
38
73
77
83
84
86
86
81
80
100
100
98
97
96
94
97
93
84
80
60
68

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

50
57
79
93
95
95
95
95
95
95
95
95
95
93
91
89
88
88
92
75
80
95
86
95

Precipitation Amount (mm)

0
0
0.4
0.6
0.5
0.8
1.1
1.3
1.2
1
1.3
1.2
0.7
0.5
0.6
0.6
0.6
0.6
0.7
0.3
0.4
0.9
0.5
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
14
13
14
13
11
10
11
11
11
11
11
11
11
11
12
12
12
12
13
13
13

Dew Point (°C)

16
16
15
14
14
11
10
10
11
11
11
12
12
12
12
12
12
12
12
13
13
13
13
13

Relative Humidity (%)

96
93
90
92
95
74
71
80
93
95
93
98
98
98
96
98
98
98
96
98
100
100
98
100

Pressure (mb)

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

Ozone (du)

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

Friday 22

Waxing Crescent 45%

11:54

01:50

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 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)

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

Low Clouds (% Sky Obscured)

86
80
83
86
89
92
94
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

96
100
100
99
98
97
94
93
91
90
90
84
83
85
88
90
95
91
88
85
85
87
88
89

High Clouds (% Sky Obscured)

77
92
92
78
95
90
87
78
32
58
43
47
50
45
45
44
42
59
76
94
77
66
52
63

ISS Passover

Visibility (miles)

0
2
3
3
5
4
2
4
9
9
9
9
9
9
9
9
8
7
7
7
7
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
85
62
35
33
26
17
47
59
69
73
68
61
51
40
20
27

Precipitation Amount (mm)

1
0.9
1
0.8
0.7
1.3
1.2
0.7
0.5
0.2
0
0
0
0
0
0
0.3
0.4
0.3
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

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

Saturday 23

First Quarter 56%

13:03

02:15

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

Low 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
99

Medium Clouds (% Sky Obscured)

94
96
96
96
97
84
71
57
61
69
76
85
91
93
91
89
86
83
82
84
92
96
97
99

High Clouds (% Sky Obscured)

83
100
100
100
100
100
100
100
94
84
71
71
70
65
69
72
66
60
68
87
83
79
76
84

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

33
38
61
74
83
65
44
20
27
33
38
38
37
32
40
51
59
73
83
91
95
95
95
95

Precipitation Amount (mm)

0
0
0.3
0.4
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.7
0.9
1.2
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

321
321
321
321
321
321
320
319
318
319
319
319
319
320
320
320
321
321
321
322
322
322
322
322

Sunday 24

Waxing Gibbous 66%

14:07

02:38

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
23 Bad
00 Bad
01 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

Low Clouds (% Sky Obscured)

98
98
93
89
85
89
92
96
97
99
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
100
100
100
100
85
74
65
66
60
53
46
41
31
44
48
58
59
63
60

High Clouds (% Sky Obscured)

92
97
97
97
98
93
86
79
53
26
0
33
67
100
89
78
68
78
85
91

ISS Passover

Visibility (miles)

0
0
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
89
85
76
64
50
29
24
18
12
11
8
2
3
4
2

Precipitation Amount (mm)

1.1
0.7
0.8
0.9
1
0.8
0.7
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

322
323
323
322
321
319
319
319
318
318
318
318
317
317
317
317
317
316
316
315

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

Generated: 18/05/26 06:38:31. Forecast: 18/05/26 to 24/05/26. Timezone: UTC-4.00