Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 22

Waxing Gibbous 87%

17:09

03:36

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: 06:57, Set: 19:04, Transit: 13:00. Moon - Rise: 17:09, Set: 03:36. Civil Dark: 19:31 - 06:31. Nautical Dark: 20:02 - 06:00. Astro Dark: 20:33 - 05:29

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
99
97
94
95
100
100
100
100
100
100
100
100
100
100
100
97
94
95
93
91
91

Medium Clouds (% Sky Obscured)

83
100
98
100
99
89
92
96
87
84
100
100
100
100
100
100
100
100
100
100
100
100
90
94

High Clouds (% Sky Obscured)

100
97
100
93
75
64
98
70
92
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
8
5
8
9
8
9
9
9
9
4
6
4
3
3
9
9
9
7
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
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

95
95
53
95
95
95
95
76
45
65
90
95
95
95
95
93
78
95
95
95
95
95
95
95

Precipitation Amount (mm)

1
1.1
0.5
0.8
1.5
3.8
2.1
0
0
0
0.5
0.9
1.7
1.6
0.8
0.3
0
0.3
1.1
2.9
1.6
2.4
2.8
1.7

Wind Speed/Direction (mph)

10
10
11
11
10
9
9
9
9
10
10
10
9
9
10
10
10
10
10
10
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
96
96
95
93
92
90
90
95
96
96
96
96
96
96
95
95
93
93
89
83

Pressure (mb)

1019
1019
1020
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1023
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

284
286
286
285
286
287
287
286
285
285
286
286
286
285
286
287
287
288
288
288
288
289
290
290

Wednesday 23

Waxing Gibbous 93%

17:36

04:40

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: 06:58, Set: 19:03, Transit: 13:00. Moon - Rise: 17:36, Set: 04:40. Civil Dark: 19:29 - 06:32. Nautical Dark: 20:00 - 06:01. Astro Dark: 20:31 - 05:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
97
100
100
100
100
93
100
100
100
100
100
98
82
92
98
100

Low Clouds (% Sky Obscured)

93
94
94
88
84
80
79
60
60
81
80
92
83
78
68
65
65
52
47
69
66
65
60
53

Medium Clouds (% Sky Obscured)

68
96
97
87
93
80
73
67
58
58
58
52
52
38
41
40
46
39
29
35
35
25
35
38

High Clouds (% Sky Obscured)

82
50
69
100
50
26
0
0
0
0
0
0
0
3
76
73
74
86
100
60
39
54
56
77

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

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
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
62
25
4
1
4
13
9
9
2
4
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.5
1.1
0.6
0.9
1.8
1.3
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
11
11
11
10
9
10
10
9
9
9
9
10
10
10
9
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
9
9
8
7
7
8
9
10
11
11
11
11
11
11
13
11
9
9
8
8
8
8

Relative Humidity (%)

78
74
71
71
67
60
58
57
59
62
63
63
63
65
64
66
77
71
62
67
64
63
63
67

Pressure (mb)

1026
1026
1027
1027
1028
1028
1027
1027
1027
1027
1026
1027
1027
1027
1028
1028
1028
1027
1027
1027
1027
1026
1026
1027

Ozone (du)

290
291
292
294
295
294
292
291
291
292
293
294
295
295
296
296
297
297
300
301
301
302
302
302

Thursday 24

Waxing Gibbous 97%

18:00

05:45

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 OK
06 OK

Sun - Rise: 06:59, Set: 19:01, Transit: 13:00. Moon - Rise: 18:00, Set: 05:45. Civil Dark: 19:27 - 06:33. Nautical Dark: 19:58 - 06:02. Astro Dark: 20:29 - 05:31

Total Clouds (% Sky Obscured)

95
78
72
66
70
70
76
80
75
71
71
100
100
100
96
73
97
59
55
55
55
55
41
22

Low Clouds (% Sky Obscured)

54
37
41
50
46
45
59
63
50
44
37
13
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

37
33
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

68
29
28
30
40
45
46
53
63
63
61
100
100
100
95
72
96
53
45
50
50
50
38
19

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)

10
11
11
12
12
12
11
11
11
11
10
9
7
6
6
5
5
6
7
8
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
11
12
13
14
16
16
16
17
17
16
16
14
14
13
14
12
13
13
12
12
12
12

Dew Point (°C)

8
8
8
8
8
9
9
10
10
10
9
9
10
10
10
10
10
10
10
9
7
7
7
7

Relative Humidity (%)

70
71
67
61
55
57
53
53
53
51
48
53
62
67
68
70
73
73
76
73
65
63
66
68

Pressure (mb)

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

Ozone (du)

303
303
304
303
302
301
300
299
299
300
301
302
302
303
304
305
306
307
309
310
311
311
311
312

Friday 25

Waxing Gibbous 100%

18:24

06:51

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

Sun - Rise: N/A, Set: 19:00, Transit: 12:59. Moon - Rise: 18:24, Set: 06:51. Civil Dark: 19:26 - 06:34. Nautical Dark: 19:57 - 06:03. Astro Dark: 20:28 - 05:32

Total Clouds (% Sky Obscured)

3
3
2
2
1
1
0
0
0
0
0
0
0
3
7
11
12
13
14
12
9
7
8
8

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
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

3
2
2
1
1
1
0
0
0
0
0
0
0
3
6
10
11
12
12
9
6
6
7
7

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)

9
10
11
12
12
12
12
12
12
11
10
9
7
6
6
6
7
7
7
7
7
7
7
8

Chance of Frost

Temperature (°C)

13
13
15
16
18
19
21
22
22
22
23
21
19
18
17
17
16
16
15
15
14
14
14
14

Feels Like (°C)

11
11
13
14
15
16
18
19
20
20
21
20
19
18
17
17
16
15
15
15
14
14
13
13

Dew Point (°C)

7
6
6
4
2
0
-0
0
0
1
5
6
9
9
9
9
10
10
10
11
11
10
10
10

Relative Humidity (%)

67
64
54
43
34
27
24
23
23
24
30
38
51
57
58
62
67
70
73
75
78
79
80
80

Pressure (mb)

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

Ozone (du)

313
313
313
313
312
311
311
310
309
308
306
304
304
303
301
300
300
301
302
303
304
305
305
305

Saturday 26

Full Moon 100%

18:48

No Set

07 Good
08 OK
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 OK
01 OK
02 OK
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:00, Set: 18:58, Transit: 12:59. Moon - Rise: 18:48, Set: No Set. Civil Dark: 19:24 - 06:35. Nautical Dark: 19:55 - 06:04. Astro Dark: 20:26 - 05:33

Total Clouds (% Sky Obscured)

10
35
57
76
65
65
65
65
70
75
75
80
90
91
86
86
64
47
29
19
9
2
1
1

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
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
18
40
55
55
55
50
50
50
50
46
42
30
24
20
15
12
7
0
0
0

High Clouds (% Sky Obscured)

9
26
44
62
55
50
40
40
45
60
55
44
31
48
65
81
53
28
6
4
3
2
1
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
1
1
0
2
1
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)

8
9
10
11
12
13
12
12
11
11
10
9
8
8
9
9
9
9
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

14
14
16
18
20
21
21
22
22
22
22
21
20
19
19
18
17
16
15
14
14
14
13
13

Feels Like (°C)

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

Dew Point (°C)

11
10
9
8
8
6
5
5
4
4
5
7
10
11
11
11
11
11
10
10
10
10
9
9

Relative Humidity (%)

82
75
60
52
45
39
35
32
31
29
33
41
53
57
61
64
68
69
73
75
75
76
77
75

Pressure (mb)

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

Ozone (du)

305
306
307
307
306
306
305
305
305
305
304
304
303
303
303
304
304
304
305
305
304
304
304
303

Sunday 27

Waning Gibbous 97%

19:14

07:59

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

Sun - Rise: 07:01, Set: 18:56, Transit: 12:59. Moon - Rise: 19:14, Set: 07:59. Civil Dark: 19:23 - 06:36. Nautical Dark: 19:53 - 06:05. Astro Dark: 20:25 - 05:34

Total Clouds (% Sky Obscured)

0
9
18
32
42
48
46
55
64
59
47
41
38
58
63
59
49
48
52
53
54
50
50
44

Low Clouds (% Sky Obscured)

0
9
18
32
42
48
46
55
64
53
25
14
10
8
5
4
8
12
14
22
28
38
42
39

Medium Clouds (% Sky Obscured)

0
9
18
27
31
33
39
34
39
43
42
38
30
33
36
39
39
39
40
37
30
24
29
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
15
22
15
7
0
16
30
48
32
16
1
21
39
49
29
26

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)

9
8
9
10
12
11
11
11
10
9
8
8
7
6
7
7
6
6
6
6
6
7
7
7

Chance of Frost

Temperature (°C)

14
14
16
18
20
21
21
22
23
23
23
22
21
19
19
18
17
17
16
16
16
15
15
15

Feels Like (°C)

13
13
15
14
14
14
15
16
22
21
21
23
24
26
18
18
19
19
18
18
16
16
16
16

Dew Point (°C)

9
9
8
7
6
4
3
2
3
4
5
8
10
12
12
12
12
13
13
13
13
12
12
12

Relative Humidity (%)

74
71
58
46
39
33
30
26
28
29
32
39
49
61
64
69
73
76
79
82
82
82
82
80

Pressure (mb)

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

Ozone (du)

303
303
301
299
296
295
294
293
293
293
292
292
292
292
291
290
289
289
288
287
287
286
286
286

Monday 28

Waning Gibbous 92%

19:44

09:10

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

Sun - Rise: 07:02, Set: 18:55, Transit: 12:58. Moon - Rise: 19:44, Set: 09:10. Civil Dark: 19:21 - 06:37. Nautical Dark: 19:52 - 06:06. Astro Dark: 20:23 - 05:35

Total Clouds (% Sky Obscured)

47
61
78
96
88
81
74
53
35
15
42
70
98
97
93
92
85
78
77

Low Clouds (% Sky Obscured)

39
46
66
72
71
54
46
21
11
6
5
4
7
10
10
9
13
17
19

Medium Clouds (% Sky Obscured)

35
32
29
25
24
22
23
12
7
3
5
6
9
18
26
34
35
38
40

High Clouds (% Sky Obscured)

30
50
68
90
78
71
63
48
29
10
38
67
95
83
68
62
32
18
17

ISS Passover

Visibility (miles)

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

Precipitation Type

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

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)

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

Chance of Frost

Temperature (°C)

16
16
18
19
20
21
22
23
23
23
23
22
21
20
19
18
17
17
17

Feels Like (°C)

16
16
16
15
15
15
16
16
23
23
22
24
25
26
17
17
18
18
17

Dew Point (°C)

12
12
11
9
8
6
5
4
4
5
6
7
8
9
9
10
10
11
10

Relative Humidity (%)

79
77
64
53
44
38
32
28
29
30
31
37
43
49
53
58
63
65
66

Pressure (mb)

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

Ozone (du)

287
287
287
287
287
287
286
286
286
287
287
288
288
288
288
288
288
287
287

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

Generated: 22/09/26 07:53:24. Forecast: 22/09/26 to 28/09/26. Timezone: UTC-4.00