Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 23%

09:27

00:00

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

51
35
35
6
35
53
8
11
14
2
2
2
0
6
1
12
9
0
0
32
54
92
100
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
2
4
0

Medium Clouds (% Sky Obscured)

12
15
10
1
8
28
8
11
14
2
2
2
0
5
1
7
2
0
0
7
7
8
49
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
75
100
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
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
1
0
0
0
0
0
0
0
0
0
0
0
1
5
17
18
41
15
15

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
4
4
3
5
5
5
5
4
4
3
4
4
3
3
3
4
5
7
7
4
12
7

Chance of Frost

Temperature (°C)

30
28
27
24
23
23
23
22
22
21
20
21
23
25
28
30
32
34
35
35
35
35
27
27

Feels Like (°C)

32
32
30
26
27
26
26
24
22
21
23
23
25
28
30
33
35
36
36
35
35
36
27
27

Dew Point (°C)

24
24
22
20
19
19
19
17
16
15
16
16
16
16
16
16
16
15
14
13
11
12
20
21

Relative Humidity (%)

70
75
74
77
78
75
75
74
70
70
74
74
63
55
48
41
37
32
29
25
22
24
63
71

Pressure (mb)

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

Ozone (du)

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

Wednesday 20

Waxing Crescent 33%

10:42

00:45

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
18 Bad
19 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)

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

Low Clouds (% Sky Obscured)

5
37
11
0
39
55
70
47
59
64
72
85
92
98
100
97
93
96
93
84
82
79
86
87

Medium Clouds (% Sky Obscured)

93
95
94
97
66
50
22
28
20
21
37
100
75
71
69
88
100
100
100
100
87
92
100
100

High Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
100
91
76
100
74
100
86
87
54
88
81
68
52
92
88

ISS Passover

Visibility (miles)

9
9
9
7
4
3
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
4
6
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

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

Precipitation Probability (%)

26
75
92
49
52
70
51
33
13
34
6
25
95
95
95
95
95
95
91
85
72
58
57
89

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0
0
0
0
0
0
0.9
1
0.5
0.6
0.6
0.7
0.5
0.5
0.3
0.2
0
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
25
23
22
22
21
21
21
20
19
18
18
18
17
16
16
16
15
15
15
14
14
13
13

Feels Like (°C)

27
26
25
24
24
23
23
23
22
20
19
18
18
17
15
14
13
12
12
12
11
12
11
12

Dew Point (°C)

21
20
21
21
21
21
21
20
20
19
18
18
17
16
15
13
8
7
8
8
9
12
12
13

Relative Humidity (%)

73
77
87
92
96
98
98
98
98
98
96
96
95
93
90
82
60
59
62
66
71
87
95
98

Pressure (mb)

1016
1017
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024

Ozone (du)

312
311
310
311
311
312
314
315
316
317
318
317
317
316
315
314
315
314
314
314
317
317
317
316

Thursday 21

Waxing Crescent 45%

11:54

01:21

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
18 Bad
19 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)

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

Low Clouds (% Sky Obscured)

96
99
89
92
99
100
93
100
100
100
100
100
97
92
95
91
89
89
91
92
94
96
98
100

Medium Clouds (% Sky Obscured)

90
89
100
100
100
96
100
99
93
93
100
100
100
100
100
100
96
97
98
99
100
97
95
92

High Clouds (% Sky Obscured)

69
32
26
14
24
22
27
30
100
100
100
100
38
60
87
78
76
14
24
24
28
34
30
30

ISS Passover

Visibility (miles)

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

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
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

Precipitation Probability (%)

73
81
72
80
95
95
93
81
88
94
74
57
72
95
95
95
95
95
95
95
95
95
95
87

Precipitation Amount (mm)

0.3
0.5
0.4
0.7
1.1
1.4
0.8
0.5
0.5
0.6
0.3
0
0.3
0.8
1
0.7
0.6
1.1
1.5
0.6
0.9
0.7
0.7
0.4

Wind Speed/Direction (mph)

7
5
5
5
4
5
6
6
6
6
6
6
6
6
6
5
6
6
6
8
6
7
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

315
315
315
315
314
314
314
313
312
312
313
314
315
315
315
316
315
316
316
317
318
318
318
319

Friday 22

Waxing Crescent 56%

13:03

01:50

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
18 Bad
19 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
95
89
84
89
95
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

87
83
79
81
78
65
80
91
95
92
97
98
99
99
100
100
100
100
100
100
100
96
93
89

High Clouds (% Sky Obscured)

57
75
100
99
100
100
92
84
77
85
93
100
100
100
100
97
100
100
97
96
90
91
93
95

ISS Passover

Visibility (miles)

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

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
None
None
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

Precipitation Probability (%)

81
61
32
19
12
16
29
37
17
24
32
48
73
95
95
95
95
95
95
86
91
95
79
83

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0
0
0
0.4
1
1.6
1.5
1
1
0.7
0.5
0.8
0.8
0.4
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

320
321
322
322
320
320
321
321
322
325
326
326
326
325
325
324
324
324
324
323
322
322
324
324

Saturday 23

First Quarter 52%

14:07

02:15

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
18 Bad
19 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)

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
98
95
93
91
90
89
92
96
100
99
98
97
98
99
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

93
96
100
94
100
100
98
92
85
80
80
75
73
62
60
66
62
59
54
46
38
43
25
18

High Clouds (% Sky Obscured)

97
99
100
100
100
100
100
100
100
99
94
89
85
83
79
81
82
86
90
95
99
98
95
92

ISS Passover

Visibility (miles)

4
2
2
8
6
0
0
0
0
0
0
1
7
8
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

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

Precipitation Probability (%)

91
75
65
89
95
95
95
95
95
90
77
57
55
45
16
20
20
20
21
22
22
19
16
8

Precipitation Amount (mm)

0.8
0.5
0.3
0.7
0.9
1.6
3.9
5.6
7.4
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
6
6
5
6
6
7
6
6
5
6
6
7
7
7
7
8
8
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1024
1025
1025
1025
1026
1026
1026
1026
1025
1026
1026
1027
1027
1027
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

324
327
330
333
334
336
338
339
339
337
338
339
339
337
335
333
331
330
329
329
328
328
327
326

Sunday 24

Waxing Gibbous 66%

15:10

02:38

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
18 Bad
19 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
100
100
100
100
99
97
96
98
99
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
90
81
72
80
88
96

Medium Clouds (% Sky Obscured)

18
15
12
18
28
38
55
73
82
77
71
67
70
73
76
76
80
85
92
95
96
98
98
98

High Clouds (% Sky Obscured)

95
98
100
100
100
100
99
98
97
98
99
100
90
80
58
44
44
57
53
49
45
46
54
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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 (%)

14
15
14
14
13
12
15
15
14
16
21
23
30
33
32
28
24
19
24
25
21
31
35
35

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
14
14
14
14
14
14
14
14
14
14
15
15
15
16
16
17
18
18
18
19
18

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

326
324
323
321
321
320
319
318
317
316
316
316
316
316
315
315
314
314
313
313
312
312
312
311

Monday 25

Waxing Gibbous 76%

16:12

03:00

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: 05:48, Set: 20:22, Transit: 13:05. Moon - Rise: 16:12, 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
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
92
91
92
94
95
91
87
81
74
68
62
64
66
69
72
75
79

Medium Clouds (% Sky Obscured)

98
98
99
98
98
97
95
94
91
91
93
93
90
85
86
89
94
95

High Clouds (% Sky Obscured)

70
83
98
97
94
91
94
97
100
100
100
100
100
100
99
78
58
37

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

43
49
55
62
65
70
73
73
67
53
44
37
64
81
93
81
67
51

Precipitation Amount (mm)

0
0
0
0.2
0.2
0.3
0.3
0.3
0
0
0
0
0.3
0.6
0.8
0.6
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
19
19
19
19
19
18
19
19
19
19
19
20
19
20
19
20

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

311
311
312
312
311
310
309
310
310
310
311
312
313
314
314
314
314
315

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

Generated: 19/05/26 20:37:31. Forecast: 19/05/26 to 25/05/26. Timezone: UTC-4.00