Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 98%

22:05

07:16

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

Sun - Rise: 05:44, Set: 20:30, Transit: 13:07. Moon - Rise: 22:05, Set: 07:16. Civil Dark: 21:02 - 05:12. Nautical Dark: 21:42 - 04:32. Astro Dark: 22:27 - 03:46

Total Clouds (% Sky Obscured)

51
51
76
58
60
45
47
40
63
44
71
74
76
74
85
98
83
84
80
65
28
33
48
36

Low Clouds (% Sky Obscured)

31
27
28
28
40
27
32
22
21
31
27
39
59
65
68
71
65
61
50
43
28
33
38
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
3
2
25
29
36
29
16
18
27
31
6
0
0
1
3
2

High Clouds (% Sky Obscured)

29
3
1
1
0
0
1
2
22
1
30
30
15
8
51
95
63
51
48
48
10
3
20
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
3
9
9
9
9
9
9

Fog (%)

0
98
100
100
100
69
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
Very Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
1
0
0
0
1
4
13
12
13
11
7
7
16
55
86
66
18
38
32
19
22
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
1
0.5
0
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

21
20
20
21
21
21
20
20
20
19
18
18
17
17
18
20
21
25
25
24
23
23
22
21

Relative Humidity (%)

82
83
85
87
88
84
78
70
63
56
48
44
40
38
40
50
57
81
87
88
91
92
92
91

Pressure (mb)

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

Ozone (du)

302
300
299
298
297
298
298
297
297
296
295
297
298
298
297
296
296
296
298
298
297
296
297
297

Sunday 13

Waning Gibbous 94%

22:32

08:26

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

Sun - Rise: 05:44, Set: 20:29, Transit: 13:07. Moon - Rise: 22:32, Set: 08:26. Civil Dark: 21:01 - 05:13. Nautical Dark: 21:41 - 04:33. Astro Dark: 22:26 - 03:47

Total Clouds (% Sky Obscured)

44
44
52
51
54
47
50
53
60
60
53
34
57
83
96
92
87
62
66
90
100
100
95
94

Low Clouds (% Sky Obscured)

34
40
45
48
53
47
50
53
60
59
45
18
38
55
64
73
40
49
33
29
30
35
46
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
22
20
18
17
12
19
23
24
20
14
11
8
16
23
73

High Clouds (% Sky Obscured)

2
0
0
0
0
0
8
17
10
19
20
1
2
37
76
35
30
14
66
90
100
100
68
61

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 (%)

10
2
0
0
0
0
1
1
1
0
1
1
2
3
6
11
16
11
6
10
12
6
8
39

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
95
94
95
95
92
84
73
62
54
49
46
43
42
44
49
58
60
63
69
73
76
79
81

Pressure (mb)

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

Ozone (du)

296
296
297
298
300
301
301
300
299
300
300
301
301
299
299
299
299
299
299
298
298
297
297
297

Monday 14

Waning Gibbous 87%

22:56

09:36

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:45, Set: 20:29, Transit: 13:07. Moon - Rise: 22:56, Set: 09:36. Civil Dark: 21:00 - 05:14. Nautical Dark: 21:40 - 04:34. Astro Dark: 22:25 - 03:49

Total Clouds (% Sky Obscured)

83
98
99
97
97
87
98
97
100
100
92
93
94
79
64
68
69
61
55
43
42
43
41
40

Low Clouds (% Sky Obscured)

54
62
72
69
79
80
87
85
82
85
86
89
84
63
49
61
68
48
46
43
42
42
41
40

Medium Clouds (% Sky Obscured)

31
93
62
60
69
60
50
46
41
44
57
61
62
43
18
4
4
12
9
6
4
4
4
1

High Clouds (% Sky Obscured)

27
49
92
61
68
73
77
71
73
85
49
27
29
8
3
0
2
1
1
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

32
28
44
34
14
65
78
66
56
39
54
77
69
75
84
95
73
43
20
21
11
13
17
5

Precipitation Amount (mm)

0
0
0.2
0
0
0.4
0.8
0.5
0
0
0
0.5
0.5
0.3
0.3
0.8
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
87
89
89
88
84
84
77
71
65
61
65
60
56
63
76
78
82
86
91
92
94
94

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

296
295
295
296
298
299
298
298
299
300
299
299
299
301
301
302
300
299
300
301
304
305
305
305

Tuesday 15

Waning Gibbous 78%

23:19

10:46

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

Sun - Rise: 05:46, Set: 20:28, Transit: 13:07. Moon - Rise: 23:19, Set: 10:46. Civil Dark: 21:00 - 05:14. Nautical Dark: 21:39 - 04:35. Astro Dark: 22:24 - 03:50

Total Clouds (% Sky Obscured)

51
59
61
47
42
37
32
39
55
83
87
73
45
43
42
46
31
29
20
13
20
55
67
100

Low Clouds (% Sky Obscured)

50
47
48
45
42
37
32
34
30
32
39
38
30
26
20
26
30
29
20
12
0
14
28
42

Medium Clouds (% Sky Obscured)

4
3
3
9
12
20
20
9
0
8
12
24
27
24
24
17
10
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

0
0
0
13
26
36
32
39
55
68
50
21
2
4
8
13
2
2
3
4
20
55
54
99

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

3
1
0
0
0
0
1
16
57
57
12
3
6
7
1
5
14
27
21
6
6
9
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
3
2
2
2
2
2
1
1
2
3
4
6
6
5
6
7
6
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

22
22
22
22
22
22
22
22
21
21
21
19
19
19
19
19
19
21
21
22
22
21
21
22

Relative Humidity (%)

94
94
94
92
94
89
82
72
62
57
53
45
44
42
41
43
46
52
60
67
71
74
76
78

Pressure (mb)

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

Ozone (du)

305
303
303
304
305
307
307
307
308
307
307
307
307
307
307
308
307
306
306
305
304
303
303
304

Wednesday 16

Waning Gibbous 68%

23:43

11:56

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:47, Set: 20:27, Transit: 13:07. Moon - Rise: 23:43, Set: 11:56. Civil Dark: 20:59 - 05:15. Nautical Dark: 21:38 - 04:36. Astro Dark: 22:23 - 03:51

Total Clouds (% Sky Obscured)

91
93
81
100
78
53
54
78
37
59
95
100
84
74
65
70
74
78
86
91
98
96
89
77

Low Clouds (% Sky Obscured)

46
49
53
63
74
53
54
63
37
56
60
64
40
40
43
30
16
0
6
11
17
27
38
49

Medium Clouds (% Sky Obscured)

16
33
45
34
29
28
18
10
2
3
40
6
4
2
1
3
5
8
27
45
60
43
49
45

High Clouds (% Sky Obscured)

62
70
34
100
55
34
43
69
21
46
37
100
79
62
46
56
66
75
80
77
82
55
32
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
8
9
9
2
3
5
7
9
7
4
2
4
7
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
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

16
22
21
27
26
19
59
68
39
35
73
95
73
62
48
60
73
87
95
95
95
92
69
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0
0.7
1.5
0.7
0.3
0
0
0.3
0.4
0.6
0.7
0.6
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

28
29
28
29
27
29
30
32
31
33
34
34
35
35
35
35
36
37
37
29
29
30
30
29

Dew Point (°C)

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

Relative Humidity (%)

80
84
85
87
87
83
75
68
64
59
56
63
64
57
52
47
58
69
81
84
86
88
89
91

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1013
1012
1012
1013
1013
1013
1013
1014
1013
1013

Ozone (du)

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

Thursday 17

Third Quarter 57%

00:08

13:08

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:48, Set: 20:27, Transit: 13:07. Moon - Rise: 00:08, Set: 13:08. Civil Dark: 20:58 - 05:16. Nautical Dark: 21:38 - 04:37. Astro Dark: 22:22 - 03:52

Total Clouds (% Sky Obscured)

83
89
100
88
76
64
76
88
100
99
96
100
97
90
86
83
82
80
74
67
62
60
63
61

Low Clouds (% Sky Obscured)

48
47
45
47
49
51
47
42
37
49
61
71
69
70
74
59
42
22
15
7
0
2
2
6

Medium Clouds (% Sky Obscured)

44
46
60
51
43
35
26
17
8
9
1
2
1
1
2
4
7
9
14
19
25
20
14
10

High Clouds (% Sky Obscured)

40
70
100
67
34
1
34
67
68
67
76
100
81
60
41
52
64
76
67
63
62
60
63
61

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

Precipitation Probability (%)

50
57
64
53
39
12
16
18
20
20
23
28
36
37
31
38
45
51
69
71
74
63
49
14

Precipitation Amount (mm)

0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

23
23
23
23
23
23
24
23
23
23
22
22
22
22
21
21
21
22
22
22
22
22
22
22

Relative Humidity (%)

92
95
95
95
94
91
88
79
73
66
62
58
54
54
54
54
57
60
63
66
70
74
75
75

Pressure (mb)

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

Ozone (du)

305
305
306
306
307
307
308
307
305
304
304
304
305
304
304
304
303
302
301
300
300
299
299
299

Friday 18

Waning Crescent 45%

00:38

14:23

Sun - Rise: 05:48, Set: 20:26, Transit: 13:07. Moon - Rise: 00:38, Set: 14:23. Civil Dark: 20:57 - 05:17. Nautical Dark: 21:37 - 04:38. Astro Dark: 22:21 - 03:54

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 12/07/25 01:42:55. Forecast: 12/07/25 to 18/07/25. Timezone: UTC-4.00