Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 22

Waxing Gibbous 87%

17:06

03:26

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
09 Bad

Sun - Rise: 06:50, Set: 18:57, Transit: 12:53. Moon - Rise: 17:06, Set: 03:26. Civil Dark: 19:24 - 06:23. Nautical Dark: 19:56 - 05:52. Astro Dark: 20:28 - 05:20

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)

97
96
98
98
97
94
95
96
97
92
86
85
84
74
85
86
43
23
62
69
16
8
5
23

Medium Clouds (% Sky Obscured)

100
96
100
100
100
100
100
100
100
99
99
96
95
91
90
100
100
100
74
84
78
46
50
36

High Clouds (% Sky Obscured)

70
29
97
81
82
86
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
5
9
9
7
9
9
6
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
Light Rain
Very Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
59
82
77
95
67
57
64
44
27
17
8
3
3
3
5
10
7
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.4
0.2
0.9
0.4
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
14
15
14
15
15
15
15
16
16
16
16
16
15
15
14
14
13
13
13
12
13
13

Feels Like (°C)

11
12
12
12
12
13
13
14
14
14
14
13
12
13
12
11
11
10
10
10
9
9
8
10

Dew Point (°C)

11
11
12
12
13
13
12
12
12
13
12
11
9
9
8
7
7
7
6
6
5
6
6
6

Relative Humidity (%)

86
86
83
82
90
87
86
83
80
82
80
73
65
63
60
61
63
63
62
61
60
63
62
59

Pressure (mb)

1024
1025
1024
1025
1024
1024
1024
1024
1024
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1028
1029
1029
1030

Ozone (du)

288
287
287
285
284
285
286
287
288
288
288
288
289
291
291
293
294
294
295
296
297
296
298
299

Wednesday 23

Waxing Gibbous 93%

17:31

04:31

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

Sun - Rise: 06:51, Set: 18:56, Transit: 12:53. Moon - Rise: 17:31, Set: 04:31. Civil Dark: 19:22 - 06:24. Nautical Dark: 19:54 - 05:53. Astro Dark: 20:26 - 05:21

Total Clouds (% Sky Obscured)

100
92
88
100
100
100
67
67
82
19
14
24
24
7
40
72
74
67
56
79
52
8
15
46

Low Clouds (% Sky Obscured)

31
71
88
91
91
92
67
67
82
4
3
4
4
3
27
72
74
58
27
79
52
3
3
41

Medium Clouds (% Sky Obscured)

33
3
3
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
67
33
100
90
70
0
0
0
0
0
0
5
6
17
22
13
22
18
21
6
6
6
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
1
1
4
3
3
1
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)

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

Chance of Frost

Temperature (°C)

15
16
17
18
18
18
19
19
18
17
16
15
14
14
13
12
12
11
10
10
10
10
10
12

Feels Like (°C)

11
12
13
14
15
15
16
15
14
14
14
13
12
12
11
10
8
8
7
7
6
6
8
9

Dew Point (°C)

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

Relative Humidity (%)

59
57
54
53
56
57
53
50
53
50
50
51
53
56
59
60
61
64
68
73
69
74
73
66

Pressure (mb)

1030
1030
1030
1029
1029
1029
1029
1028
1029
1029
1029
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

300
300
299
299
297
295
295
295
296
297
298
299
300
300
302
304
305
305
305
306
306
306
306
306

Thursday 24

Waxing Gibbous 97%

17:54

05:37

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
09 Bad

Sun - Rise: 06:52, Set: 18:54, Transit: 12:53. Moon - Rise: 17:54, Set: 05:37. Civil Dark: 19:21 - 06:25. Nautical Dark: 19:52 - 05:54. Astro Dark: 20:24 - 05:22

Total Clouds (% Sky Obscured)

75
81
85
99
100
100
100
100
100
100
76
100
66
78
70
82
89
100
94
94
97
91
71
50

Low Clouds (% Sky Obscured)

75
81
68
13
10
8
6
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
5
11

High Clouds (% Sky Obscured)

5
43
43
95
100
100
100
100
100
100
76
100
66
78
70
73
74
100
90
94
94
87
59
32

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)

13
13
12
12
12
11
11
9
7
5
5
8
8
9
9
9
9
9
9
9
10
10
10
11

Chance of Frost

Temperature (°C)

14
15
16
17
18
19
19
19
18
16
15
15
14
14
13
13
12
12
11
11
12
12
12
14

Feels Like (°C)

10
10
12
13
14
15
15
15
15
13
13
12
11
12
10
9
9
9
7
8
8
8
10
12

Dew Point (°C)

6
6
7
6
5
5
4
4
4
4
4
3
3
3
0
0
2
3
3
3
3
3
3
3

Relative Humidity (%)

61
57
55
46
42
40
38
37
39
44
47
45
45
45
40
42
50
54
55
56
55
55
52
45

Pressure (mb)

1029
1029
1028
1028
1027
1026
1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1021
1020

Ozone (du)

306
305
305
304
303
303
303
303
304
304
303
303
302
302
301
301
301
301
301
301
303
305
305
303

Friday 25

Waxing Gibbous 100%

18:17

06:44

10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 Good
17 OK
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 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:53, Set: 18:52, Transit: 12:52. Moon - Rise: 18:17, Set: 06:44. Civil Dark: 19:19 - 06:26. Nautical Dark: 19:51 - 05:55. Astro Dark: 20:23 - 05:23

Total Clouds (% Sky Obscured)

30
46
62
74
45
23
3
24
34
48
52
58
62
78
78
98
94
92
98
98
100
100
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
0
0
0

Medium Clouds (% Sky Obscured)

15
17
21
22
15
7
0
0
0
0
0
0
0
0
0
0
3
7
10
22
75
91
100
100

High Clouds (% Sky Obscured)

5
24
40
55
38
21
3
24
34
48
52
58
62
78
78
98
94
92
98
98
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
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
11
13

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)

12
13
13
13
13
12
11
10
8
6
5
6
6
7
8
8
8
7
7
8
8
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
17
18
20
20
20
21
20
19
17
17
16
15
14
14
13
13
13
12
11
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

38
33
30
26
24
23
23
27
31
38
43
47
49
53
58
64
68
68
69
69
70
69
66
62

Pressure (mb)

1020
1020
1019
1018
1017
1017
1016
1016
1016
1016
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

304
305
305
306
308
309
310
311
311
311
312
313
312
311
310
310
310
309
306
305
304
304
305
306

Saturday 26

Full Moon 100%

18:40

07:53

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
09 Bad

Sun - Rise: 06:54, Set: 18:51, Transit: 12:52. Moon - Rise: 18:40, Set: 07:53. Civil Dark: 19:18 - 06:27. Nautical Dark: 19:49 - 05:56. Astro Dark: 20:21 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
100
100
98
96
95
94
93
93
89
85
81
84
88
91
89
85

Low Clouds (% Sky Obscured)

0
6
12
18
15
12
12
8
4
1
7
13
22
27
25
20
15
17
17
37
48
62
65
70

Medium Clouds (% Sky Obscured)

100
99
98
98
97
64
56
48
51
48
40
33
26
30
34
33
43
51
56
61
65
69
61
53

High Clouds (% Sky Obscured)

100
98
95
92
73
58
45
42
54
59
53
42
45
30
34
38
36
34
28
27
24
22
23
21

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

Precipitation Probability (%)

11
24
29
30
44
54
64
52
41
29
68
54
6
15
15
10
14
17
15
37
47
47
32
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
10
10
10
10
9
9
9
8
8
9
10
11
10
10
10
10
10
11
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
49
41
37
34
32
31
37
42
48
52
55
57
60
62
62
65
65
65
65
62
60
57
56

Pressure (mb)

1013
1013
1013
1012
1011
1011
1010
1010
1010
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1010

Ozone (du)

307
306
305
304
304
304
302
302
300
300
299
300
301
302
301
301
300
299
299
298
298
298
298
299

Sunday 27

Waning Gibbous 97%

19:05

09:05

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 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK

Sun - Rise: 06:55, Set: 18:49, Transit: 12:52. Moon - Rise: 19:05, Set: 09:05. Civil Dark: 19:16 - 06:28. Nautical Dark: 19:47 - 05:57. Astro Dark: 20:19 - 05:25

Total Clouds (% Sky Obscured)

83
82
84
85
87
88
89
89
88
87
83
69
61
57
54
50
44
39
33
43
47
43
45
46

Low Clouds (% Sky Obscured)

74
67
61
57
54
52
48
42
37
25
26
30
30
25
19
17
15
12
10
12
14
19
16
16

Medium Clouds (% Sky Obscured)

39
47
57
67
61
55
44
30
22
16
18
16
15
12
9
9
7
6
5
4
2
0
2
4

High Clouds (% Sky Obscured)

20
10
5
4
16
35
56
59
60
56
37
19
1
1
0
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

Very Light Rain
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 (%)

41
26
12
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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
10
10
11
11
11
11
12
11
10
10
9
9
9
8
8
8
8
7
7
7
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
51
47
44
41
43
45
47
49
51
54
55
57
60
61
63
64
67
68
70
69
67
66
61

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014

Ozone (du)

300
300
301
301
301
301
301
300
300
300
300
298
296
294
292
290
288
288
289
289
289
289
290
289

Monday 28

Waning Gibbous 92%

19:34

No Set

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

Sun - Rise: 06:56, Set: 18:47, Transit: 12:51. Moon - Rise: 19:34, Set: No Set. Civil Dark: 19:14 - 06:29. Nautical Dark: 19:46 - 05:58. Astro Dark: 20:17 - 05:26

Total Clouds (% Sky Obscured)

31
28
29
31
40
46
53
57
60
66
63
61
65
66
63
59

Low Clouds (% Sky Obscured)

28
28
22
15
21
27
34
40
45
50
46
41
36
25
16
6

Medium Clouds (% Sky Obscured)

5
7
9
12
20
24
29
48
54
62
56
51
32
29
29
30

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
1
0
0
16
11
4
7
4
2
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
10
10
9
9
9
8
7
5
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
16
17
23
22
22
22
22
22
19
19
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

56
52
50
47
44
45
45
45
47
51
54
56
60
64
66
68

Pressure (mb)

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

Ozone (du)

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

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

Generated: 22/09/26 09:31:32. Forecast: 22/09/26 to 28/09/26. Timezone: UTC-4.00