Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 1

Waning Gibbous 95%

22:03

07:52

09 OK
10 OK
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 OK
00 OK
01 OK
02 OK
03 OK
04 Good
05 Good
06 OK
07 OK
08 Good

Sun - Rise: 05:37, Set: 20:33, Transit: 13:05. Moon - Rise: 22:03, Set: 07:52. Civil Dark: 21:06 - 05:05. Nautical Dark: 21:47 - 04:24. Astro Dark: 22:35 - 03:36

Total Clouds (% Sky Obscured)

46
32
29
44
40
49
73
85
75
83
74
44
35
50
28
32
43
36
28
18
18
30
26
1

Low Clouds (% Sky Obscured)

31
15
0
4
40
36
44
60
61
57
30
6
0
0
0
0
7
0
0
0
18
30
26
0

Medium Clouds (% Sky Obscured)

32
0
0
10
5
16
19
24
30
22
40
36
30
43
25
29
34
33
26
15
0
7
3
0

High Clouds (% Sky Obscured)

9
0
0
1
0
2
0
4
0
1
0
0
0
0
0
0
0
0
0
3
3
0
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
2
14
8
12
0
0
0
11
6
0
0
0
2
3
2
1
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
8
7
7
7
7
7
7
6
5
6
7
8
7
8
8
8
7
6
5
4
3
3
3

Chance of Frost

Temperature (°C)

27
29
31
32
33
34
35
35
35
35
34
32
30
29
28
28
27
26
26
25
25
24
26
28

Feels Like (°C)

28
31
34
36
37
38
38
37
38
38
36
35
33
32
31
30
29
29
29
29
29
29
31
33

Dew Point (°C)

21
21
20
20
20
21
20
21
23
21
22
22
22
21
22
20
20
20
20
20
21
21
21
21

Relative Humidity (%)

71
62
54
49
46
44
42
45
48
42
48
54
62
63
66
63
66
68
71
74
79
80
76
65

Pressure (mb)

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

Ozone (du)

315
316
315
315
314
312
311
312
314
315
316
315
315
315
314
313
313
313
313
313
313
314
315
315

Thursday 2

Waning Gibbous 90%

22:32

08:56

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

Sun - Rise: 05:38, Set: 20:33, Transit: 13:05. Moon - Rise: 22:32, Set: 08:56. Civil Dark: 21:06 - 05:05. Nautical Dark: 21:47 - 04:24. Astro Dark: 22:34 - 03:37

Total Clouds (% Sky Obscured)

0
0
27
29
27
28
26
21
16
7
13
0
0
0
1
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
27
29
27
28
26
21
16
7
13
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
3
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
4
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)

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

Chance of Frost

Temperature (°C)

30
32
34
36
37
38
39
39
39
38
37
35
32
31
30
29
28
27
26
26
25
25
26
30

Feels Like (°C)

34
37
39
40
40
41
42
41
40
40
40
38
36
35
33
32
31
31
30
31
30
30
31
34

Dew Point (°C)

21
21
21
21
20
19
18
18
17
18
19
19
18
18
18
18
18
17
18
17
17
17
18
20

Relative Humidity (%)

57
52
46
41
36
33
30
29
28
29
34
39
43
46
47
51
53
56
59
60
62
64
60
54

Pressure (mb)

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

Ozone (du)

314
313
313
313
313
314
315
315
315
316
316
316
316
316
315
314
314
314
314
313
313
313
313
314

Friday 3

Waning Gibbous 83%

22:57

08:56

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

Sun - Rise: 05:38, Set: 20:33, Transit: 13:05. Moon - Rise: 22:57, Set: 08:56. Civil Dark: 21:05 - 05:06. Nautical Dark: 21:46 - 04:25. Astro Dark: 22:34 - 03:38

Total Clouds (% Sky Obscured)

0
12
20
36
41
74
100
42
56
40
34
4
28
30
30
20
36
30
25
40
43
50
57
74

Low Clouds (% Sky Obscured)

0
8
20
36
39
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10

Medium Clouds (% Sky Obscured)

0
3
0
8
11
14
9
15
17
0
7
0
0
1
1
2
1
1
0
26
8
38
40
38

High Clouds (% Sky Obscured)

0
0
0
3
11
65
100
31
44
40
34
4
28
30
30
20
36
30
25
40
43
50
57
74

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
2
0
6
1
6
22
60
17
22
69
74
15
3
1
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.4
0.6
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

32
34
36
37
38
38
39
38
38
38
37
35
32
30
29
28
27
27
26
26
25
27
28
30

Feels Like (°C)

37
38
39
40
40
40
39
38
40
39
37
36
34
29
30
29
30
30
29
29
28
30
31
32

Dew Point (°C)

21
21
21
20
19
18
19
19
20
19
20
19
18
21
18
20
22
24
23
22
21
22
23
23

Relative Humidity (%)

50
46
42
38
34
31
31
33
33
34
37
40
44
58
53
60
74
83
82
78
77
77
75
68

Pressure (mb)

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

Ozone (du)

313
313
314
315
314
313
312
312
312
311
311
312
312
309
311
310
308
307
308
308
309
309
309
309

Saturday 4

Waning Gibbous 75%

23:19

09:59

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 OK
07 Good
08 OK

Sun - Rise: 05:39, Set: 20:33, Transit: 13:06. Moon - Rise: 23:19, Set: 09:59. Civil Dark: 21:05 - 05:07. Nautical Dark: 21:46 - 04:26. Astro Dark: 22:33 - 03:39

Total Clouds (% Sky Obscured)

89
85
96
86
84
84
100
62
64
68
66
50
29
14
27
51
83
82
82
82
55
34
10
39

Low Clouds (% Sky Obscured)

20
30
32
34
34
24
12
0
0
0
0
0
0
8
0
0
2
0
0
0
0
0
0
23

Medium Clouds (% Sky Obscured)

46
21
57
10
32
31
71
30
29
27
19
14
7
13
2
3
17
2
2
2
2
2
3
22

High Clouds (% Sky Obscured)

89
78
86
81
59
70
37
45
57
55
48
34
17
4
18
34
83
82
82
82
26
34
8
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
7
9
5
9
8
4
10
11
9
12
34
61
95
95
58
5
8
2
5
6
0
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.1
0.8
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

31
33
35
36
36
37
37
36
37
36
35
34
32
31
29
27
25
25
25
25
25
25
26
28

Feels Like (°C)

34
36
38
37
38
37
37
37
39
38
37
37
36
34
32
30
31
28
28
28
28
30
31
33

Dew Point (°C)

22
22
22
20
19
17
20
22
20
20
20
20
20
19
18
24
23
22
22
22
22
22
22
22

Relative Humidity (%)

58
53
46
41
36
31
36
43
36
39
42
44
47
48
51
84
86
84
83
83
82
82
78
69

Pressure (mb)

1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1012
1013
1014
1013
1013
1013
1013
1013
1014
1014
1014

Ozone (du)

307
306
306
307
308
308
309
311
311
312
312
312
312
312
312
313
311
312
311
312
314
315
315
315

Sunday 5

Waning Gibbous 65%

23:41

11:03

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
07 Bad
08 Bad

Sun - Rise: 05:39, Set: 20:33, Transit: 13:06. Moon - Rise: 23:41, Set: 11:03. Civil Dark: 21:05 - 05:07. Nautical Dark: 21:46 - 04:26. Astro Dark: 22:33 - 03:40

Total Clouds (% Sky Obscured)

58
77
72
70
83
98
89
71
100
100
100
100
100
100
100
100
100
92
85
77
80
82
82
72

Low Clouds (% Sky Obscured)

40
42
32
22
17
25
29
34
40
43
47
50
53
52
44
37
33
23
24
72
77
79
81
71

Medium Clouds (% Sky Obscured)

11
19
15
16
18
66
42
4
27
37
90
79
67
64
49
40
35
22
12
0
0
0
0
0

High Clouds (% Sky Obscured)

45
61
64
67
82
79
66
57
100
100
100
100
100
100
100
100
100
74
49
19
25
18
20
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
3
5
6
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

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

Precipitation Probability (%)

5
5
26
40
50
49
48
93
95
95
95
95
95
95
95
95
79
85
80
61
46
28
1
5

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
4.9
4.6
6.6
2.1
1.2
0.4
1
0.7
0
0.4
0.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

3
2
4
3
4
5
8
7
5
11
2
2
2
3
4
2
2
3
2
1
2
2
3
4

Chance of Frost

Temperature (°C)

29
31
33
33
33
33
33
33
33
27
26
24
24
24
24
23
23
23
23
23
22
23
23
24

Feels Like (°C)

34
36
37
37
36
35
33
34
36
27
28
28
27
27
27
27
27
27
26
25
26
25
26
25

Dew Point (°C)

20
20
20
18
17
16
15
16
15
25
23
23
22
22
22
22
22
22
22
21
21
21
21
21

Relative Humidity (%)

58
51
46
41
38
36
34
36
32
90
84
91
91
91
91
92
92
91
92
92
92
91
87
83

Pressure (mb)

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

Ozone (du)

314
314
313
313
311
311
311
311
308
309
307
309
310
311
313
314
315
316
317
318
319
321
322
324

Monday 6

Waning Gibbous 54%

00:03

12:08

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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:40, Set: 20:32, Transit: 13:06. Moon - Rise: 00:03, Set: 12:08. Civil Dark: 21:05 - 05:08. Nautical Dark: 21:45 - 04:27. Astro Dark: 22:32 - 03:40

Total Clouds (% Sky Obscured)

61
50
61
71
80
71
65
57
57
56
56
45
35
27
18
10
2
34
64
92
95
97
100
94

Low Clouds (% Sky Obscured)

61
50
46
41
37
36
35
34
40
45
51
43
35
27
18
9
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
7
22
40
38
34
27
19
9
1
1
1
2
2
2
2
1
2
2
4
4
5
5

High Clouds (% Sky Obscured)

25
30
55
71
80
71
60
47
48
49
44
28
14
6
1
0
0
33
63
92
94
96
100
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
6
4
6
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

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

Precipitation Probability (%)

5
2
5
5
3
20
27
33
47
57
65
52
37
8
31
51
69
68
68
67
60
46
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
26
28
29
30
32
31
31
31
30
29
28
27
26
25
25
24
24
23
22
21
22
23
23

Feels Like (°C)

27
27
27
28
28
30
36
35
35
34
34
34
29
30
31
30
30
30
28
27
26
27
26
27

Dew Point (°C)

21
20
20
20
20
20
21
22
23
24
24
25
24
24
23
23
23
23
22
21
21
21
21
21

Relative Humidity (%)

76
69
63
58
54
49
54
58
64
70
76
85
86
88
91
92
92
94
95
95
95
92
89
85

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

323
322
321
321
322
322
321
320
319
319
318
318
317
316
315
315
315
315
314
314
314
313
313
313

Tuesday 7

Third Quarter 43%

00:28

13:15

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

Sun - Rise: 05:41, Set: 20:32, Transit: 13:06. Moon - Rise: 00:28, Set: 13:15. Civil Dark: 21:04 - 05:09. Nautical Dark: 21:45 - 04:28. Astro Dark: 22:32 - 03:42

Total Clouds (% Sky Obscured)

87
80
71
65
60
14
7
0
22
43
65
44
27
13
45
65
83

Low Clouds (% Sky Obscured)

0
0
0
0
1
14
7
0
0
0
0
3
4
7
22
38
54

Medium Clouds (% Sky Obscured)

4
4
4
4
5
5
4
0
21
40
58
44
27
13
45
55
50

High Clouds (% Sky Obscured)

73
60
67
65
60
14
7
0
22
43
65
44
27
13
43
59
63

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

2
0
3
3
2
14
29
42
49
57
69
71
69
65
68
67
60

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
5
4
4
5
4
4
4
3
3
4
3
3
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
27
27
28
29
30
36
36
36
35
34
33
30
29
28
29
28

Dew Point (°C)

20
19
18
18
18
18
21
24
27
27
26
26
25
24
23
23
23

Relative Humidity (%)

74
64
55
50
46
42
52
64
79
80
80
82
86
88
92
94
94

Pressure (mb)

1018
1018
1018
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1016
1015
1015

Ozone (du)

313
312
312
312
312
312
311
311
311
311
311
312
312
311
311
310
310

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

Generated: 01/07/26 09:30:22. Forecast: 01/07/26 to 07/07/26. Timezone: UTC-4.00