Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 24

Waxing Gibbous 91%

18:37

03:31

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

Sun - Rise: 06:23, Set: 19:42, Transit: 13:03. Moon - Rise: 18:37, Set: 03:31. Civil Dark: 20:10 - 05:55. Nautical Dark: 20:44 - 05:21. Astro Dark: 21:21 - 04:46

Total Clouds (% Sky Obscured)

23
31
40
22
10
0
15
2
0
0
17
34
35
28
39
56
83
79
40
22
25
57
5
12

Low Clouds (% Sky Obscured)

1
5
4
5
5
0
0
0
0
0
0
0
1
0
15
45
77
75
33
12
21
57
0
0

Medium Clouds (% Sky Obscured)

3
3
15
17
7
0
12
2
0
0
15
32
35
28
20
36
42
39
19
12
5
1
2
12

High Clouds (% Sky Obscured)

23
6
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
1
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
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
3
3
4
3
4
4
4
4
3
3
5
6
7
8
8
8
9
8
8
9
8
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
55
59
59
60
61
62
63
66
66
66
62
57
53
51
47
45
46
44
40
43
48
48
55

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1016
1016
1017

Ozone (du)

338
338
337
337
337
338
339
338
336
338
340
339
337
334
333
331
331
331
327
325
323
321
318
318

Tuesday 25

Waxing Gibbous 96%

19:05

04:36

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

Sun - Rise: 06:24, Set: 19:41, Transit: 13:02. Moon - Rise: 19:05, Set: 04:36. Civil Dark: 20:09 - 05:56. Nautical Dark: 20:42 - 05:22. Astro Dark: 21:20 - 04:47

Total Clouds (% Sky Obscured)

33
30
43
74
74
11
50
50
13
53
56
28
47
74
100
100
84
82
92
90
44
89
98
100

Low Clouds (% Sky Obscured)

0
0
0
1
5
1
0
0
0
0
0
0
0
0
1
4
3
4
6
4
19
7
6
1

Medium Clouds (% Sky Obscured)

13
19
9
8
8
0
0
0
0
3
0
3
2
2
0
0
21
21
33
37
8
21
21
38

High Clouds (% Sky Obscured)

33
30
43
30
30
4
30
30
11
47
56
20
33
74
100
100
51
41
45
41
12
55
90
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
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)

3
3
3
3
4
3
3
3
3
3
2
1
1
2
2
2
4
5
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

21
21
20
20
19
19
18
17
17
17
17
19
21
23
25
26
27
28
28
29
28
28
26
24

Feels Like (°C)

24
23
22
22
19
19
20
17
17
19
18
21
23
23
27
25
26
27
28
28
28
28
26
25

Dew Point (°C)

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

Relative Humidity (%)

60
63
64
67
69
69
70
70
71
72
72
64
56
50
43
40
39
40
39
40
41
45
53
59

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

317
315
313
311
309
308
308
308
308
309
309
309
308
308
307
306
307
307
307
307
307
306
306
307

Wednesday 26

Waxing Gibbous 99%

19:29

05:41

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

Sun - Rise: 06:25, Set: 19:39, Transit: 13:02. Moon - Rise: 19:29, Set: 05:41. Civil Dark: 20:07 - 05:57. Nautical Dark: 20:41 - 05:24. Astro Dark: 21:18 - 04:49

Total Clouds (% Sky Obscured)

95
48
83
89
100
98
91
88
91
97
96
100
100
100
100
100
98
100
100
100
100
93
100
100

Low Clouds (% Sky Obscured)

0
0
0
51
37
77
79
8
51
43
10
51
87
42
55
20
57
73
59
59
29
30
27
23

Medium Clouds (% Sky Obscured)

2
28
52
56
88
73
88
88
87
86
55
22
33
47
57
46
32
28
22
20
69
28
82
60

High Clouds (% Sky Obscured)

93
39
76
78
100
87
55
41
62
86
86
100
100
100
100
100
92
100
100
99
100
86
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
3
9
9
9
9
8
2
3
9
5
4
4
8
3
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
1
11
50
92
79
87
95
36
42
79
87
66
83
93
95
95
95
95
91
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.8
0.5
0.8
1
0
0
0.7
0.8
0
0.6
0.7
1.1
1.9
1.8
0.7
0.4
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
22
22
21
21
21
21
20
20
20
20
21
23
23
24
24
25
26
26
25
24
24
23
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
64
67
68
69
71
73
74
89
92
92
89
84
81
76
80
66
56
58
62
77
82
84
89

Pressure (mb)

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

Ozone (du)

308
309
307
306
305
305
304
304
305
306
306
306
305
305
305
304
302
302
302
302
302
303
303
302

Thursday 27

Waxing Gibbous 100%

19:52

06:46

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK

Sun - Rise: 06:26, Set: 19:38, Transit: 13:02. Moon - Rise: 19:52, Set: 06:46. Civil Dark: 20:06 - 05:58. Nautical Dark: 20:39 - 05:25. Astro Dark: 21:16 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
91
98
95
93
93
94
94
91
87
83
83
82
82
76
68
66
53
43
30
34

Low Clouds (% Sky Obscured)

16
16
15
14
16
18
20
24
28
34
31
30
28
25
15
14
26
39
13
32
9
3
0
0

Medium Clouds (% Sky Obscured)

30
25
71
70
36
31
55
40
33
28
34
36
45
9
11
12
12
8
4
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
83
75
41
23
18
25
20
15
15
10
16
18
29
22
14
14
15
25
30
34

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
9
9
9
9
9
9
9
9
3
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
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Light Rain
None
None

Precipitation Probability (%)

95
80
62
48
23
41
58
35
28
23
6
12
14
12
23
32
56
57
50
37
39
70
37
13

Precipitation Amount (mm)

0.8
0.4
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0
0
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
21
21
21
21
21
20
20
20
21
21
22
24
25
26
27
27
28
28
28
27
25
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
94
94
94
95
95
95
96
98
96
95
88
80
72
60
55
56
54
55
57
60
72
78

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1016
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

302
304
303
303
304
302
302
302
302
301
301
300
299
299
300
301
302
303
304
305
305
305
306
306

Friday 28

Full Moon 99%

20:14

07:52

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

Sun - Rise: 06:27, Set: 19:36, Transit: 13:02. Moon - Rise: 20:14, Set: 07:52. Civil Dark: 20:04 - 05:59. Nautical Dark: 20:37 - 05:26. Astro Dark: 21:14 - 04:51

Total Clouds (% Sky Obscured)

30
19
31
27
20
30
21
51
50
48
47
31
17
1
1
0
0
5
11
17
26
36
45
56

Low Clouds (% Sky Obscured)

0
0
1
1
2
3
3
5
4
4
5
4
2
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)

30
19
31
27
20
29
5
40
40
40
40
27
12
1
0
0
0
5
11
17
26
36
45
56

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 (%)

3
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)

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

Chance of Frost

Temperature (°C)

23
23
22
21
20
19
19
18
18
18
18
19
20
22
24
25
26
28
28
28
28
27
25
24

Feels Like (°C)

25
24
24
22
21
20
19
20
18
17
17
18
19
20
21
22
22
23
31
30
30
30
29
29

Dew Point (°C)

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

Relative Humidity (%)

77
75
76
70
68
68
68
68
67
65
64
59
53
47
41
38
36
34
36
38
39
43
48
54

Pressure (mb)

1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1022
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

307
307
307
307
308
307
306
307
308
308
311
315
316
317
317
316
315
314
312
311
309
310
310
310

Saturday 29

Waning Gibbous 95%

20:37

08:59

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

Sun - Rise: 06:28, Set: 19:35, Transit: 13:01. Moon - Rise: 20:37, Set: 08:59. Civil Dark: 20:02 - 06:00. Nautical Dark: 20:36 - 05:27. Astro Dark: 21:12 - 04:52

Total Clouds (% Sky Obscured)

69
79
81
83
84
83
82
74
70
63
63
65
62
70
67
63
60
64
69
74
60
52
52
58

Low Clouds (% Sky Obscured)

0
0
0
0
0
6
12
14
14
14
7
10
17
20
19
18
17
25
32
40
43
46
45
41

Medium Clouds (% Sky Obscured)

0
0
18
36
54
56
59
54
33
22
12
13
10
9
7
5
4
8
12
17
19
21
24
36

High Clouds (% Sky Obscured)

69
77
76
70
66
47
26
1
1
1
1
13
25
37
50
60
60
64
69
55
56
52
52
58

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
3
5
6
8
10
11
13
13
7
13
16
14
26
27
24
30

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
23
24
23
23
22
19
21
21
21
21
22
24
24
25
25
26
27
31
30
30
30
29
29

Dew Point (°C)

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

Relative Humidity (%)

57
60
64
65
67
69
67
67
65
64
62
61
57
52
49
46
44
42
44
44
47
52
56
62

Pressure (mb)

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

Ozone (du)

309
309
309
309
308
308
308
307
307
305
304
303
302
300
299
299
299
298
298
297
297
296
296
295

Sunday 30

Waning Gibbous 89%

21:02

10:07

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: 06:29, Set: 19:33, Transit: 13:01. Moon - Rise: 21:02, Set: 10:07. Civil Dark: 20:01 - 06:01. Nautical Dark: 20:34 - 05:28. Astro Dark: 21:10 - 04:54

Total Clouds (% Sky Obscured)

64
81
76
68
61
65
69
72
81
91
100
93
83
60
52
52
51

Low Clouds (% Sky Obscured)

33
21
17
13
5
9
12
16
26
37
47
32
18
3
3
4
4

Medium Clouds (% Sky Obscured)

49
59
55
48
41
34
29
23
21
23
24
25
25
40
49
52
51

High Clouds (% Sky Obscured)

64
81
74
60
46
47
48
49
51
51
54
65
59
40
29
17
5

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

31
26
40
44
46
42
43
40
33
23
6
4
1
0
3
3
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
19
19
20
21
21
21
21
21
22
22
22
22
22
22
22
22

Relative Humidity (%)

66
70
73
79
87
92
95
96
96
96
96
95
87
79
71
68
66

Pressure (mb)

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

Ozone (du)

295
295
295
294
293
293
292
291
290
290
290
290
289
289
288
288
287

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

Generated: 24/08/26 21:15:42. Forecast: 24/08/26 to 30/08/26. Timezone: UTC-4.00