Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 12

New Moon 1%

07:06

20:08

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

Sun - Rise: 06:12, Set: 20:01, Transit: 13:06. Moon - Rise: 07:06, Set: 20:08. Civil Dark: 20:30 - 05:43. Nautical Dark: 21:05 - 05:08. Astro Dark: 21:43 - 04:30

Total Clouds (% Sky Obscured)

16
14
19
31
23
30
74
94
90
72
66
84
96
70
73
63
23
15
22
42
77
58
100
98

Low Clouds (% Sky Obscured)

16
14
19
22
8
7
28
28
25
38
3
56
32
22
46
30
10
2
5
30
52
32
38
37

Medium Clouds (% Sky Obscured)

16
14
17
12
16
23
22
34
26
31
66
77
54
69
59
30
2
0
0
0
0
0
0
18

High Clouds (% Sky Obscured)

0
0
3
3
0
0
48
68
65
60
50
40
66
35
0
30
3
4
0
15
60
53
100
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
9
3
3
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
2
17
31
48
69
35
15
19
5
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
4
5
6
6
3
4
5
7
6
6
6
5
1
4
5
5
6
7
7
7
7
8

Chance of Frost

Temperature (°C)

29
30
31
31
31
30
28
27
26
25
24
23
23
23
23
23
22
22
24
25
26
28
29
30

Feels Like (°C)

30
32
32
32
32
32
31
28
26
24
24
25
25
25
27
25
24
24
27
27
28
29
31
30

Dew Point (°C)

11
12
12
14
16
17
17
17
16
14
18
21
22
22
22
22
21
20
22
21
21
20
19
18

Relative Humidity (%)

32
32
32
35
40
46
52
54
52
48
68
85
92
91
92
94
92
91
88
80
70
61
54
49

Pressure (mb)

1011
1010
1010
1009
1009
1009
1009
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011

Ozone (du)

325
324
322
321
320
320
319
320
319
319
316
314
314
318
322
320
319
319
319
320
319
317
316
316

Thursday 13

Waxing Crescent 1%

08:18

20:35

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:13, Set: 20:00, Transit: 13:05. Moon - Rise: 08:18, Set: 20:35. Civil Dark: 20:28 - 05:44. Nautical Dark: 21:04 - 05:09. Astro Dark: 21:41 - 04:31

Total Clouds (% Sky Obscured)

63
87
100
88
100
100
100
100
100
80
99
93
76
99
54
58
58
64
78
97
84
85
62
69

Low Clouds (% Sky Obscured)

50
46
45
42
0
0
4
1
0
19
38
37
22
7
10
27
22
27
25
16
11
0
0
0

Medium Clouds (% Sky Obscured)

1
26
19
9
6
0
75
85
100
40
39
40
37
29
36
48
58
60
56
58
48
38
30
40

High Clouds (% Sky Obscured)

63
86
100
84
100
100
100
100
100
71
95
53
32
98
24
28
58
64
78
87
80
81
57
65

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

Chance of Frost

Temperature (°C)

31
31
31
31
31
29
28
27
26
25
25
24
24
23
22
22
23
23
23
24
25
26
28
29

Feels Like (°C)

30
32
30
30
31
30
29
27
26
25
25
23
23
24
22
23
24
24
24
25
24
26
27
29

Dew Point (°C)

17
16
15
14
14
16
16
14
14
14
14
13
13
13
13
13
14
14
13
12
11
11
11
11

Relative Humidity (%)

44
39
36
35
37
44
47
46
48
48
51
50
50
53
54
55
57
59
54
47
41
37
35
33

Pressure (mb)

1011
1011
1011
1011
1011
1011
1012
1012
1013
1014
1014
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

314
313
311
311
312
313
313
314
315
314
313
313
315
316
317
318
317
316
318
318
316
315
314
313

Friday 14

Waxing Crescent 6%

09:27

20:59

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

Sun - Rise: 06:14, Set: 19:58, Transit: 13:05. Moon - Rise: 09:27, Set: 20:59. Civil Dark: 20:27 - 05:45. Nautical Dark: 21:02 - 05:10. Astro Dark: 21:40 - 04:33

Total Clouds (% Sky Obscured)

78
73
82
74
68
56
44
46
60
73
50
61
45
84
100
37
29
40
60
72
30
78
76
59

Low Clouds (% Sky Obscured)

0
0
12
28
4
13
5
0
4
5
8
19
5
8
15
13
23
10
7
4
0
9
18
27

Medium Clouds (% Sky Obscured)

25
0
0
0
28
25
32
34
21
20
16
20
45
0
0
0
4
14
17
22
26
27
30
32

High Clouds (% Sky Obscured)

78
72
79
65
56
32
10
12
14
21
34
31
35
56
80
32
12
24
49
63
3
67
65
48

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)

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

Chance of Frost

Temperature (°C)

29
30
30
30
30
29
27
25
25
24
23
22
22
21
20
20
19
19
22
23
25
26
27
28

Feels Like (°C)

30
30
30
29
29
30
29
28
26
24
23
21
20
20
19
18
19
19
21
22
23
26
26
28

Dew Point (°C)

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

Relative Humidity (%)

32
31
31
31
32
36
41
44
46
47
49
48
51
48
49
51
54
53
51
45
42
37
34
32

Pressure (mb)

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

Ozone (du)

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

Saturday 15

Waxing Crescent 12%

10:34

21:22

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:15, Set: 19:57, Transit: 13:05. Moon - Rise: 10:34, Set: 21:22. Civil Dark: 20:26 - 05:46. Nautical Dark: 21:01 - 05:11. Astro Dark: 21:38 - 04:34

Total Clouds (% Sky Obscured)

71
86
95
81
90
77
89
78
73
71
64
50
50
55
51
59
92
93
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
30
31
34
37
40
48
56
64
61
64
50
50
55
51
59
92
93
92
77
78
85
78
66

Medium Clouds (% Sky Obscured)

38
39
42
44
46
54
62
57
55
62
62
50
50
47
47
43
45
35
77
76
94
88
82
77

High Clouds (% Sky Obscured)

60
83
94
76
85
76
87
76
72
71
64
50
50
55
51
59
73
64
92
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
8
3
6

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

Precipitation Probability (%)

0
0
0
0
0
0
12
17
22
51
73
95
95
95
95
95
75
39
63
63
81
80
95
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.5
2.1
3.5
7.5
0.3
0
0
0.2
0
0.4
0.4
0.7
0.2

Wind Speed/Direction (mph)

4
4
5
5
5
5
3
6
8
8
7
6
6
6
6
7
7
7
8
9
11
10
9
7

Chance of Frost

Temperature (°C)

29
29
29
29
29
27
26
25
24
23
22
22
22
21
21
21
21
21
22
23
25
25
25
26

Feels Like (°C)

30
30
29
28
28
27
28
25
24
24
24
23
24
24
24
24
24
23
23
24
25
26
27
29

Dew Point (°C)

11
10
10
11
11
12
13
14
15
15
15
15
16
17
18
18
18
18
18
19
17
20
22
24

Relative Humidity (%)

31
30
30
31
33
38
44
49
58
60
64
66
70
76
80
81
84
81
78
75
61
77
83
92

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1015
1014
1013

Ozone (du)

308
307
305
304
303
301
300
300
298
298
296
297
297
296
294
294
295
297
298
297
297
296
296
296

Sunday 16

Waxing Crescent 20%

11:40

21:45

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 Bad
01 OK
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: 06:16, Set: 19:55, Transit: 13:05. Moon - Rise: 11:40, Set: 21:45. Civil Dark: 20:24 - 05:47. Nautical Dark: 20:59 - 05:12. Astro Dark: 21:36 - 04:35

Total Clouds (% Sky Obscured)

100
100
100
85
60
53
53
27
11
5
38
43
82
89
95
85
71
58
65
73
81
77
77
69

Low Clouds (% Sky Obscured)

57
70
70
55
45
33
23
12
0
1
2
3
37
36
47
41
30
19
32
46
59
57
53
51

Medium Clouds (% Sky Obscured)

77
80
67
24
26
41
49
11
11
1
3
9
22
23
24
30
36
46
36
27
19
23
27
30

High Clouds (% Sky Obscured)

100
93
97
70
27
1
20
4
0
2
31
31
51
71
92
73
53
33
47
59
71
70
70
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
1
3
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
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

72
83
95
95
95
95
95
66
21
30
18
0
2
2
1
3
3
0
3
4
0
0
0
0

Precipitation Amount (mm)

0.3
0.5
0.9
0.9
1
2
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
28
28
28
28
27
27
26
26
25
25
24
24
24
24
24
24
24
24
25
26
27
28
29

Feels Like (°C)

30
30
31
31
32
32
31
30
31
32
32
28
28
28
28
28
28
28
28
27
27
27
28
28

Dew Point (°C)

25
22
23
20
20
22
26
25
25
25
24
24
23
23
23
23
22
22
22
21
19
18
17
16

Relative Humidity (%)

90
73
74
61
60
73
95
95
94
95
95
97
97
95
95
94
91
89
87
76
66
58
52
46

Pressure (mb)

1013
1012
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

297
297
298
299
301
301
300
299
298
298
300
299
298
299
299
300
300
300
301
300
300
300
300
299

Monday 17

Waxing Crescent 29%

12:45

22:10

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:16, Set: 19:54, Transit: 13:05. Moon - Rise: 12:45, Set: 22:10. Civil Dark: 20:23 - 05:48. Nautical Dark: 20:57 - 05:13. Astro Dark: 21:34 - 04:37

Total Clouds (% Sky Obscured)

65
60
55
60
65
65
60
54
49
54
54
67
77
76
81
78
75
72
79
81
88
85
86
88

Low Clouds (% Sky Obscured)

38
26
12
8
4
0
10
18
21
20
21
30
33
34
36
46
58
68
69
70
71
73
72
71

Medium Clouds (% Sky Obscured)

26
20
15
12
12
11
12
14
24
25
36
36
36
36
36
34
32
30
30
34
30
33
35
37

High Clouds (% Sky Obscured)

50
50
55
60
65
65
53
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
4
5
9
20
38
51
49
17
38
35
8
19
17
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

29
29
29
29
28
27
26
25
24
23
23
22
22
21
21
21
21
21
21
23
24
26
27
28

Feels Like (°C)

28
31
30
29
30
30
30
26
26
26
25
26
26
22
22
23
22
22
22
23
24
24
25
25

Dew Point (°C)

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

Relative Humidity (%)

41
39
38
35
38
42
45
48
49
52
55
57
61
62
63
65
64
62
61
55
50
45
40
35

Pressure (mb)

1013
1013
1013
1012
1013
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

299
300
301
302
303
304
305
305
306
306
306
305
305
305
305
306
308
309
311
310
309
308
307
307

Tuesday 18

Waxing Crescent 39%

13:49

22:38

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 OK
04 OK
05 OK
06 Bad
07 Bad

Sun - Rise: 06:17, Set: 19:53, Transit: 13:04. Moon - Rise: 13:49, Set: 22:38. Civil Dark: 20:21 - 05:49. Nautical Dark: 20:56 - 05:15. Astro Dark: 21:32 - 04:38

Total Clouds (% Sky Obscured)

80
77
70
69
67
66
62
59
56
53
45
36
30
32
36
36
50
52

Low Clouds (% Sky Obscured)

66
61
56
53
49
46
46
46
43
44
42
36
30
29
36
36
50
52

Medium Clouds (% Sky Obscured)

30
28
25
24
22
20
17
13
10
11
14
14
12
8
8
10
13
15

High Clouds (% Sky Obscured)

1
1
1
6
10
10
7
7
10
8
5
0
2
4
7
5
4
2

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
7
2
5
6
1
3
3
0
0
0
0
0
0
0
1
1
0

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

29
29
29
29
28
27
26
25
24
23
23
23
22
22
22
22
22
22

Feels Like (°C)

26
31
31
30
30
31
31
25
25
25
25
25
25
24
25
24
24
23

Dew Point (°C)

10
10
10
10
12
13
15
14
14
14
13
14
14
13
14
14
14
14

Relative Humidity (%)

31
31
31
31
36
42
49
51
51
54
55
56
58
58
60
61
61
60

Pressure (mb)

1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

306
306
306
306
306
306
306
307
307
308
307
306
305
306
307
307
308
308

Forecast for Swarthmore, Delaware, United States of America (39.90,-75.35)

Generated: 12/08/26 14:57:30. Forecast: 12/08/26 to 18/08/26. Timezone: UTC-4.00