Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 11%

03:14

17:46

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

Sun - Rise: 06:46, Set: 19:03, Transit: 12:55. Moon - Rise: 03:14, Set: 17:46. Civil Dark: 19:30 - 06:19. Nautical Dark: 20:02 - 05:47. Astro Dark: 20:35 - 05:15

Total Clouds (% Sky Obscured)

80
81
93
94
84
74
78
88
94
93
80
38
30
23
26
22
27
44
42
30
17
0
15
0

Low Clouds (% Sky Obscured)

80
81
93
90
77
57
51
76
92
90
57
23
14
19
18
19
23
33
27
27
17
0
15
0

Medium Clouds (% Sky Obscured)

53
56
17
32
39
38
35
27
25
45
52
26
23
0
5
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
1
1
3
1
1
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
4
4
5
5
4
4
4
4
3
3
4
5
5
5
5
6
6
6
4
4
4
4
4

Chance of Frost

Temperature (°C)

17
17
17
18
18
18
18
17
18
18
19
21
23
25
26
27
27
28
28
27
24
23
22
21

Feels Like (°C)

18
18
18
19
18
19
19
19
19
19
19
21
24
27
28
28
29
28
28
28
26
25
24
22

Dew Point (°C)

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

Relative Humidity (%)

78
78
79
80
80
82
83
85
83
75
71
63
54
47
44
43
39
35
33
37
44
49
48
50

Pressure (mb)

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

Ozone (du)

296
296
295
294
295
294
293
294
295
295
295
296
297
298
296
295
296
295
294
294
291
289
290
289

Thursday 18

Waning Crescent 5%

04:22

18:10

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

Sun - Rise: 06:47, Set: 19:02, Transit: 12:54. Moon - Rise: 04:22, Set: 18:10. Civil Dark: 19:29 - 06:20. Nautical Dark: 20:00 - 05:48. Astro Dark: 20:33 - 05:16

Total Clouds (% Sky Obscured)

0
55
50
55
55
45
26
33
26
0
0
0
6
34
38
47
43
28
26
51
44
37
38
50

Low Clouds (% Sky Obscured)

0
0
0
0
12
19
24
33
26
0
0
0
6
21
19
26
35
27
25
38
36
27
30
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
17
18
16
6
5
3
10
8
13
20
40

High Clouds (% Sky Obscured)

0
35
35
50
55
29
0
0
0
0
0
0
0
0
0
2
2
0
2
2
0
0
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
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
4
4
3
3
3
3
3
3
3
3
4
4
5
6
7
7
6
6
7
9
8
8

Chance of Frost

Temperature (°C)

20
20
19
19
19
18
18
17
17
18
22
24
26
28
29
29
30
30
29
28
26
24
23
22

Feels Like (°C)

22
21
21
20
20
20
19
19
18
20
24
26
28
29
30
30
30
31
31
30
27
25
24
22

Dew Point (°C)

10
10
10
10
10
9
9
9
9
10
10
11
11
11
11
11
12
12
12
13
14
14
13
11

Relative Humidity (%)

50
51
53
54
55
55
57
58
59
57
48
42
37
34
32
31
32
34
34
38
46
52
52
51

Pressure (mb)

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

Ozone (du)

288
289
288
288
289
289
290
291
291
290
291
291
291
290
289
288
289
290
291
291
289
290
289
288

Friday 19

Waning Crescent 1%

05:28

18:32

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

Sun - Rise: 06:48, Set: 19:00, Transit: 12:54. Moon - Rise: 05:28, Set: 18:32. Civil Dark: 19:27 - 06:21. Nautical Dark: 19:59 - 05:49. Astro Dark: 20:31 - 05:17

Total Clouds (% Sky Obscured)

60
74
83
62
75
78
48
40
28
16
20
20
26
20
15
10
7
20
13
27
3
3
2
0

Low Clouds (% Sky Obscured)

29
56
41
14
48
48
21
25
5
0
0
0
0
0
0
0
4
4
11
27
3
2
1
0

Medium Clouds (% Sky Obscured)

30
23
29
25
33
41
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
1
0
0
27
17
10
9
2
1
0
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
5
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
13
10
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
9
9
9
7
7
6
6
5
6
6
7
8
10
12
13
13
12
12
12
12
12
12

Relative Humidity (%)

49
51
51
51
54
50
50
50
49
48
46
43
41
41
43
49
52
50
50
52
58
63
67
71

Pressure (mb)

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

Ozone (du)

288
287
288
288
288
287
286
286
289
289
289
289
289
289
289
288
289
289
289
289
290
290
290
290

Saturday 20

Waning Crescent 0%

06:31

18:52

23 Good
00 Good
01 Good
02 OK
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
20 OK
21 Good
22 Good

Sun - Rise: 06:49, Set: 18:58, Transit: 12:54. Moon - Rise: 06:31, Set: 18:52. Civil Dark: 19:25 - 06:22. Nautical Dark: 19:57 - 05:50. Astro Dark: 20:29 - 05:18

Total Clouds (% Sky Obscured)

1
1
2
35
67
100
100
100
100
100
100
100
97
92
87
86
85
85
81
74
69
36
17
5

Low Clouds (% Sky Obscured)

0
0
1
17
39
65
64
59
59
67
65
67
69
67
73
77
77
78
69
59
50
33
17
5

Medium Clouds (% Sky Obscured)

0
0
0
3
0
0
4
7
12
24
31
31
38
28
38
44
43
45
38
33
23
15
8
0

High Clouds (% Sky Obscured)

0
0
0
33
67
100
100
95
90
90
90
85
57
26
1
1
0
0
1
2
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
1
1
14
2
1
3
1
1
11
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
77
80
80
82
82
78
79
80
80
75
71
69
67
66
65
63
59
58
58
57
59
63
65

Pressure (mb)

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

Ozone (du)

290
291
291
290
289
289
291
292
293
292
292
292
292
292
293
293
294
295
295
295
295
295
295
295

Sunday 21

New Moon 1%

07:33

19:12

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

Sun - Rise: 06:50, Set: 18:57, Transit: 12:53. Moon - Rise: 07:33, Set: 19:12. Civil Dark: 19:24 - 06:23. Nautical Dark: 19:55 - 05:51. Astro Dark: 20:27 - 05:19

Total Clouds (% Sky Obscured)

13
23
31
46
50
61
50
47
36
33
29
22
18
14
19
14
14
15
15
13
12
20
30
39

Low Clouds (% Sky Obscured)

13
23
31
46
50
61
50
47
36
33
29
22
18
14
19
14
14
15
15
13
12
20
22
20

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)

0
4
4
1
1
5
4
5
7
8
9
3
7
14
19
7
4
2
3
4
4
12
7
6

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)

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

Chance of Frost

Temperature (°C)

16
16
15
15
15
15
15
15
15
16
17
19
21
23
24
25
25
25
25
24
22
21
20
19

Feels Like (°C)

17
17
16
16
15
16
15
15
16
17
19
21
23
24
26
27
27
27
27
26
27
27
22
22

Dew Point (°C)

10
10
10
10
9
9
10
10
10
10
11
11
12
12
12
12
12
13
13
13
14
14
14
14

Relative Humidity (%)

66
67
68
69
69
70
71
73
73
70
65
59
53
49
45
44
44
45
46
51
57
64
68
70

Pressure (mb)

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

Ozone (du)

292
290
289
288
286
287
287
287
287
286
284
285
284
283
283
282
282
282
282
282
282
282
282
281

Monday 22

Waxing Crescent 4%

08:35

19:34

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 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:51, Set: 18:55, Transit: 12:53. Moon - Rise: 08:35, Set: 19:34. Civil Dark: 19:22 - 06:24. Nautical Dark: 19:54 - 05:52. Astro Dark: 20:26 - 05:20

Total Clouds (% Sky Obscured)

52
62
69
75
80
82
83
88
93
80
67
54
44
53
62
63
86
82
90
95
100
98
97
94

Low Clouds (% Sky Obscured)

24
28
32
48
62
79
83
88
93
80
67
54
41
26
12
10
8
5
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
3
5
21
37
53
43
33
22
27
32
34

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
35
44
53
62
63
86
82
89
90
90
89
83
74

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)

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

Chance of Frost

Temperature (°C)

18
18
17
17
17
17
16
16
17
17
19
21
23
24
25
27
27
27
27
26
24
23
22
22

Feels Like (°C)

21
21
20
20
17
17
17
16
17
17
18
19
20
21
21
22
28
27
27
26
27
27
22
22

Dew Point (°C)

14
14
14
14
14
14
14
14
14
14
15
15
15
15
15
15
15
15
15
15
15
16
16
16

Relative Humidity (%)

73
76
78
81
82
85
86
85
85
85
77
69
63
58
53
50
48
47
45
50
57
64
66
69

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

280
280
280
279
279
279
279
279
279
279
279
280
280
280
279
279
278
277
276
276
275
274
274
274

Tuesday 23

Waxing Crescent 8%

09:36

19:57

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

Sun - Rise: 06:51, Set: 18:54, Transit: 12:53. Moon - Rise: 09:36, Set: 19:57. Civil Dark: 19:20 - 06:25. Nautical Dark: 19:52 - 05:53. Astro Dark: 20:24 - 05:21

Total Clouds (% Sky Obscured)

96
95
96
97
97
100
92
84
77
56
33
9
9
14
8
20
23
33
46
57
70

Low Clouds (% Sky Obscured)

2
2
8
13
21
19
13
6
0
0
0
0
7
13
8
14
7
3
5
9
15

Medium Clouds (% Sky Obscured)

44
55
62
66
70
73
71
70
72
49
27
3
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

64
55
53
67
83
100
87
75
62
46
29
8
7
11
8
20
23
33
46
57
70

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
20
20
20
20
19
20
20
20
22
24
26
28
29
31
31
31
31
29
28

Feels Like (°C)

23
22
22
22
20
20
21
21
21
20
23
24
25
27
27
28
36
35
33
32
32

Dew Point (°C)

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

Relative Humidity (%)

71
73
75
76
78
82
85
85
86
86
76
67
58
51
43
37
37
37
36
39
42

Pressure (mb)

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

Ozone (du)

273
273
274
274
275
275
276
276
275
275
274
273
272
272
271
271
271
271
271
271
271

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

Generated: 17/09/25 23:18:26. Forecast: 17/09/25 to 23/09/25. Timezone: UTC-4.00