Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Full Moon 100%

20:56

06:06

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 OK
09 OK
10 Bad
11 Bad
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:43, Set: 20:31, Transit: 13:07. Moon - Rise: 20:56, Set: 06:06. Civil Dark: 21:03 - 05:11. Nautical Dark: 21:43 - 04:31. Astro Dark: 22:29 - 03:45

Total Clouds (% Sky Obscured)

80
85
88
91
100
100
100
87
53
55
55
85
60
50
43
40
53
53
33
38
44
64
59
90

Low Clouds (% Sky Obscured)

34
15
12
9
12
9
25
26
28
35
40
49
46
40
31
32
40
28
28
26
27
29
39
60

Medium Clouds (% Sky Obscured)

30
6
38
2
0
0
0
0
0
0
0
0
0
0
0
0
0
10
0
18
22
23
15
22

High Clouds (% Sky Obscured)

80
85
88
91
100
100
100
87
53
11
0
15
5
1
5
1
0
1
2
5
7
5
3
3

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
100
98
100
97
94
100
2
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 (%)

6
1
0
31
11
1
32
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

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
2
2
2
3
3
2
2
2
2
2
2
3
2
4
4
4
3
3
2
2
1
2
4

Chance of Frost

Temperature (°C)

27
27
25
24
24
23
23
23
22
22
22
21
21
22
24
25
27
28
30
31
32
33
33
33

Feels Like (°C)

30
30
28
27
27
27
26
26
26
28
28
27
25
27
29
30
32
33
35
36
37
37
36
35

Dew Point (°C)

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

Relative Humidity (%)

68
72
76
83
91
92
94
94
95
95
96
95
95
91
84
77
64
56
49
44
39
37
36
36

Pressure (mb)

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

Ozone (du)

308
308
309
309
310
311
314
319
324
326
325
322
320
318
316
314
314
313
314
312
311
310
309
307

Friday 11

Waning Gibbous 98%

21:33

07:16

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

Sun - Rise: 05:44, Set: 20:30, Transit: 13:07. Moon - Rise: 21:33, Set: 07:16. Civil Dark: 21:02 - 05:12. Nautical Dark: 21:42 - 04:32. Astro Dark: 22:28 - 03:46

Total Clouds (% Sky Obscured)

88
80
49
38
29
43
60
80
86
80
60
55
52
40
13
50
27
39
18
45
55
59
67
78

Low Clouds (% Sky Obscured)

57
69
49
35
28
25
23
42
55
52
49
55
52
31
11
33
26
39
15
42
55
58
65
69

Medium Clouds (% Sky Obscured)

20
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
17

High Clouds (% Sky Obscured)

34
3
14
17
7
25
33
38
40
40
24
4
2
15
4
25
4
0
3
5
1
1
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
69
100
100
100
100
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
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain

Precipitation Probability (%)

11
15
6
1
3
1
2
4
5
25
41
24
2
1
13
38
23
13
17
31
25
34
62
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

32
31
29
28
27
26
25
24
23
23
23
22
22
23
24
26
28
29
31
32
33
32
32
30

Feels Like (°C)

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

Dew Point (°C)

18
19
19
19
19
19
19
19
19
19
20
20
21
21
21
20
19
19
18
18
18
20
22
25

Relative Humidity (%)

43
49
54
58
62
66
68
72
74
77
81
87
89
85
79
70
59
52
45
42
42
47
55
76

Pressure (mb)

1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016

Ozone (du)

306
305
305
303
300
299
299
299
298
298
298
297
297
298
298
299
299
298
299
299
299
299
299
300

Saturday 12

Waning Gibbous 94%

22:05

08:26

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

Sun - Rise: 05:44, Set: 20:30, Transit: 13:07. Moon - Rise: 22:05, Set: 08:26. Civil Dark: 21:02 - 05:13. Nautical Dark: 21:42 - 04:33. Astro Dark: 22:27 - 03:47

Total Clouds (% Sky Obscured)

43
12
1
0
8
38
43
31
44
42
51
57
65
70
52
40
40
37
43
49
58
67
66
56

Low Clouds (% Sky Obscured)

25
11
0
0
7
24
31
31
44
42
51
57
65
70
52
40
40
37
43
49
56
61
64
55

Medium Clouds (% Sky Obscured)

21
2
1
0
0
25
31
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
1
0
0
0
0
1
2
1
0
0
0
0
0
0
1
1
1

ISS Passover

Visibility (miles)

9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
Very Light Rain

Precipitation Probability (%)

54
31
3
0
20
2
4
2
1
0
0
0
0
0
0
0
0
0
0
1
23
16
40
46

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

25
25
24
24
22
22
22
21
21
21
21
21
21
21
21
20
19
19
18
18
18
18
20
21

Relative Humidity (%)

79
76
82
88
87
88
89
89
92
92
92
94
95
92
84
73
61
55
50
45
42
43
52
56

Pressure (mb)

1016
1016
1016
1017
1018
1018
1018
1018
1018
1018
1017
1018
1018
1018
1018
1019
1018
1018
1018
1017
1017
1016
1016
1015

Ozone (du)

299
300
301
300
299
299
299
299
299
300
300
301
302
303
303
302
301
301
301
301
300
299
298
297

Sunday 13

Waning Gibbous 87%

22:32

09:36

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
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:45, Set: 20:29, Transit: 13:07. Moon - Rise: 22:32, Set: 09:36. Civil Dark: 21:01 - 05:14. Nautical Dark: 21:41 - 04:34. Astro Dark: 22:26 - 03:49

Total Clouds (% Sky Obscured)

48
40
60
81
100
100
100
100
99
96
92
92
91
91
82
86
97
91
89
91
97
99
100
80

Low Clouds (% Sky Obscured)

38
30
20
8
0
6
11
15
28
43
53
60
70
71
71
74
82
77
67
58
55
52
49
49

Medium Clouds (% Sky Obscured)

0
0
0
0
57
60
37
60
45
45
44
45
60
45
27
29
45
52
64
73
73
67
59
50

High Clouds (% Sky Obscured)

5
5
33
67
100
100
100
100
70
40
15
31
48
47
50
58
69
57
62
74
74
84
46
42

ISS Passover

Visibility (miles)

8
9
3
3
9
9
2
9
9
9
9
8
9
9
9
9
9
8
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

56
58
37
40
20
71
38
9
2
5
34
42
13
15
35
10
20
61
51
49
64
79
93
84

Precipitation Amount (mm)

0.4
0.4
0
0
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0.4
0.7
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

32
31
30
29
28
27
25
26
25
26
26
25
25
26
26
29
30
30
31
32
33
33
32
31

Dew Point (°C)

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

Relative Humidity (%)

68
74
83
83
86
85
91
92
94
94
95
95
95
94
94
84
76
69
75
67
60
51
51
57

Pressure (mb)

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

Ozone (du)

296
296
296
297
297
296
295
295
295
296
296
296
297
297
298
299
301
301
303
304
304
304
304
304

Monday 14

Waning Gibbous 78%

22:56

10:46

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

Sun - Rise: 05:46, Set: 20:29, Transit: 13:07. Moon - Rise: 22:56, Set: 10:46. Civil Dark: 21:00 - 05:14. Nautical Dark: 21:40 - 04:35. Astro Dark: 22:25 - 03:50

Total Clouds (% Sky Obscured)

82
83
77
74
64
54
50
39
33
20
16
17
13
9
9
9
9
8
17
15
18
22
35
31

Low Clouds (% Sky Obscured)

48
48
54
60
64
54
50
39
33
20
16
17
13
9
9
9
9
8
17
15
18
22
35
31

Medium Clouds (% Sky Obscured)

39
33
22
12
0
6
10
15
14
15
16
14
9
5
9
9
9
8
13
0
12
22
35
31

High Clouds (% Sky Obscured)

37
37
30
29
15
16
5
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
8
9
9
9
4
6
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

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

Precipitation Probability (%)

69
56
51
49
38
55
34
28
17
12
12
11
8
2
21
26
29
26
22
17
16
12
7
8

Precipitation Amount (mm)

0.5
0.3
0.2
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

30
29
28
27
26
25
24
24
24
23
23
23
23
24
25
26
28
30
31
32
33
33
33
33

Feels Like (°C)

33
34
33
32
31
31
30
30
29
29
29
28
28
29
30
31
31
32
33
33
34
39
37
36

Dew Point (°C)

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

Relative Humidity (%)

50
53
62
69
77
80
87
88
87
89
89
88
89
88
80
67
57
47
42
38
34
33
32
31

Pressure (mb)

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

Ozone (du)

306
311
313
313
315
314
314
314
315
314
315
316
317
317
318
318
319
319
319
319
320
319
319
319

Tuesday 15

Waning Gibbous 68%

23:19

11:56

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

Sun - Rise: 05:47, Set: 20:28, Transit: 13:07. Moon - Rise: 23:19, Set: 11:56. Civil Dark: 21:00 - 05:15. Nautical Dark: 21:39 - 04:36. Astro Dark: 22:24 - 03:51

Total Clouds (% Sky Obscured)

26
4
2
0
1
0
0
0
1
4
8
26
42
58
62
67
69
68
63
68
56
43
28
22

Low Clouds (% Sky Obscured)

26
4
2
0
1
0
0
0
0
0
0
19
39
58
58
57
54
53
52
52
45
41
28
22

Medium Clouds (% Sky Obscured)

26
4
2
0
0
0
0
0
0
2
7
6
3
0
7
15
22
30
31
14
7
2
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
12
19
22
31
35
21
10
1
7

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 (%)

8
5
5
3
0
0
0
0
1
2
2
5
6
8
13
14
12
10
6
2
4
3
0
2

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
4
4
3
3
2
3
3
4
5
6
7
7
8
9
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
17
19
20
20
21
21
21
21
22
21
21
22
22
22
22
21
21
21
20
20
20
20
20

Relative Humidity (%)

37
44
52
58
63
70
73
77
80
83
84
87
84
80
78
70
62
56
52
48
44
45
45
45

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015

Ozone (du)

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

Wednesday 16

Waning Gibbous 57%

23:43

13:08

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

Sun - Rise: 05:48, Set: 20:27, Transit: 13:07. Moon - Rise: 23:43, Set: 13:08. Civil Dark: 20:59 - 05:16. Nautical Dark: 21:38 - 04:37. Astro Dark: 22:23 - 03:52

Total Clouds (% Sky Obscured)

17
13
10
7
5
8
14
23
22
22
17
20
33
41
35
27
15
17
18
20

Low Clouds (% Sky Obscured)

14
10
6
3
0
2
4
9
22
22
17
20
33
41
35
27
15
17
18
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
2
1
1
0
0
0
0
2
3
5

High Clouds (% Sky Obscured)

13
13
10
7
5
8
14
23
22
22
17
20
33
41
35
27
15
17
18
19

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
2
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
13
19
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
8
8
7
6
6
6
6
6
6
7
7
8
8
9
9
9
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

35
35
35
32
32
32
32
32
32
28
29
29
29
29
29
29
30
30
31
31

Dew Point (°C)

20
21
21
21
21
21
21
21
22
22
21
21
21
21
21
20
20
20
20
20

Relative Humidity (%)

48
52
56
60
63
66
70
74
77
78
78
80
77
75
72
65
59
54
51
48

Pressure (mb)

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

Ozone (du)

309
309
310
310
311
311
311
310
310
311
312
312
313
314
315
314
313
313
312
312

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

Generated: 10/07/25 18:53:14. Forecast: 10/07/25 to 16/07/25. Timezone: UTC-4.00