Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Gibbous 99%

19:05

05:41

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

Sun - Rise: 06:25, Set: 19:41, Transit: 13:02. Moon - Rise: 19:05, Set: 05:41. Civil Dark: 20:09 - 05:57. Nautical Dark: 20:42 - 05:24. Astro Dark: 21:18 - 04:49

Total Clouds (% Sky Obscured)

72
81
85
100
100
100
96
100
100
90
83
77
63
82
48
94
93
92
78
88
98
69
44
41

Low Clouds (% Sky Obscured)

72
81
6
0
0
0
0
0
0
2
7
2
2
0
48
75
27
7
30
58
51
20
13
19

Medium Clouds (% Sky Obscured)

23
37
24
18
28
95
85
60
70
83
40
76
45
73
10
54
46
52
31
26
48
22
4
9

High Clouds (% Sky Obscured)

72
81
81
100
100
100
88
100
100
55
20
1
8
52
11
60
59
55
24
87
93
55
44
41

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
40
81
83
95
70
31
14
38
64
94
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.8
0.7
2
0.4
0
0
0
0
0.8
0.8
1.1
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

29
28
27
26
25
23
23
22
22
21
21
21
21
20
20
20
22
23
25
27
28
28
29
28

Feels Like (°C)

27
27
27
27
24
23
22
22
22
21
21
22
22
23
22
23
23
25
26
28
28
28
30
30

Dew Point (°C)

12
15
15
15
15
15
14
15
16
15
16
16
18
19
19
20
20
21
20
19
18
20
20
19

Relative Humidity (%)

36
45
47
49
54
58
58
63
67
68
71
74
82
91
93
96
92
85
73
62
55
61
58
58

Pressure (mb)

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

Ozone (du)

306
306
306
307
308
307
305
302
300
299
300
302
304
305
306
306
307
307
309
309
310
310
309
308

Thursday 27

Waxing Gibbous 100%

19:29

06:46

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

Sun - Rise: 06:26, Set: 19:39, Transit: 13:02. Moon - Rise: 19:29, Set: 06:46. Civil Dark: 20:07 - 05:58. Nautical Dark: 20:41 - 05:25. Astro Dark: 21:16 - 04:50

Total Clouds (% Sky Obscured)

46
36
100
100
100
100
100
100
100
87
92
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
11
82
17
94
92
43
8
9
15
16
17
14
13
8
7
6
46
13
5
7
7
10
12

Medium Clouds (% Sky Obscured)

17
7
56
46
66
55
12
5
8
53
17
14
5
0
42
94
83
63
60
69
16
4
9
5

High Clouds (% Sky Obscured)

46
36
100
100
100
100
100
100
100
74
92
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

8
8
1
9
4
1
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
6
19
27
40
13
12
8
4
0
0
0
0
0

Precipitation Type

Light Rain
Ice pellet
Ice pellet
Ice pellet
Heavy Rain
Light Rain
None
None
None
None
None
Light Rain
Ice pellet
Light Rain
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
14
3
6
10
32
92
90
77
18
2
11
2
17
71
82
72
66
76

Precipitation Amount (mm)

1.1
8.4
3.6
3.5
15.4
1.9
0
0
0
0
0
1.2
0.8
0.6
0
0
0
0
0
0.4
0.5
0.3
0.2
0.4

Wind Speed/Direction (mph)

7
8
11
5
5
8
3
4
5
2
2
2
1
1
1
2
2
3
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
63
89
89
89
96
91
89
91
91
92
94
94
92
93
92
88
85
80
73
67
56
56
54

Pressure (mb)

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

Ozone (du)

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

Friday 28

Full Moon 99%

19:52

07:52

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK

Sun - Rise: 06:27, Set: 19:38, Transit: 13:02. Moon - Rise: 19:52, Set: 07:52. Civil Dark: 20:06 - 05:59. Nautical Dark: 20:39 - 05:26. Astro Dark: 21:14 - 04:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
68
72
80
59
32

Low Clouds (% Sky Obscured)

9
7
7
6
3
1
1
7
13
12
13
13
15
10
9
6
4
5
8
9
16
22
16
11

Medium Clouds (% Sky Obscured)

4
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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
68
71
70
43
23

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
2
16
38
30
30
30
30
30
30
30
30

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 (%)

51
35
7
4
3
0
4
3
2
3
2
1
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
2
3
2
2
3
3
3
3
4
5
5
4
5
4
3
5
5
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

28
27
27
27
26
25
24
24
23
22
21
20
20
19
20
20
21
22
23
24
27
28
29
29

Dew Point (°C)

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

Relative Humidity (%)

54
57
64
67
68
71
72
72
72
71
70
69
70
71
72
72
65
55
46
41
37
35
34
33

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1022
1021
1021
1021
1020

Ozone (du)

301
301
301
300
300
301
301
300
300
300
301
303
304
306
309
310
311
311
310
310
310
311
312
313

Saturday 29

Waning Gibbous 95%

20:14

08:59

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

Sun - Rise: 06:28, Set: 19:36, Transit: 13:01. Moon - Rise: 20:14, Set: 08:59. Civil Dark: 20:04 - 06:00. Nautical Dark: 20:37 - 05:27. Astro Dark: 21:12 - 04:52

Total Clouds (% Sky Obscured)

8
14
20
34
24
21
21
31
26
32
61
61
70
57
47
65
44
35
21
26
46
66
57
44

Low Clouds (% Sky Obscured)

5
7
9
9
7
4
4
5
6
8
12
16
20
20
21
44
13
14
5
5
4
4
10
4

Medium Clouds (% Sky Obscured)

0
1
2
2
2
1
0
0
0
2
45
23
21
5
7
9
9
9
8
12
14
18
18
20

High Clouds (% Sky Obscured)

0
0
0
12
1
1
5
15
2
7
1
1
1
0
0
3
2
1
0
0
2
8
6
2

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 (%)

30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30

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

Chance of Frost

Temperature (°C)

28
28
27
26
25
24
23
22
21
21
20
20
20
19
19
19
20
22
24
26
27
29
30
30

Feels Like (°C)

29
29
29
28
26
26
25
23
21
23
22
20
22
22
23
23
22
25
26
28
29
29
30
31

Dew Point (°C)

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

Relative Humidity (%)

33
34
36
44
44
46
49
50
53
60
65
70
77
80
81
81
75
67
59
52
47
45
46
41

Pressure (mb)

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

Ozone (du)

313
312
312
312
312
312
314
312
312
311
311
311
312
309
308
307
305
304
303
302
301
301
300
299

Sunday 30

Waning Gibbous 89%

20:37

10:07

16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
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

Sun - Rise: 06:29, Set: 19:35, Transit: 13:01. Moon - Rise: 20:37, Set: 10:07. Civil Dark: 20:02 - 06:01. Nautical Dark: 20:36 - 05:28. Astro Dark: 21:10 - 04:54

Total Clouds (% Sky Obscured)

43
52
37
28
40
40
44
52
57
64
62
61
67
77
88
92
93
93
95
89
82
76
83
90

Low Clouds (% Sky Obscured)

5
3
2
0
1
3
4
7
9
11
6
2
0
1
22
1
9
17
24
34
44
53
57
64

Medium Clouds (% Sky Obscured)

19
13
7
0
0
0
2
50
51
42
51
22
22
37
54
49
55
59
61
70
76
76
82
84

High Clouds (% Sky Obscured)

1
15
20
28
35
36
41
36
35
30
24
40
55
66
80
70
62
52
48
36
38
41
46
54

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 (%)

30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30

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
5
10
13
20
23

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

37
38
45
53
62
65
65
67
70
73
73
78
81
85
85
85
78
70
62
55
55
55
55
61

Pressure (mb)

1018
1018
1018
1018
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017

Ozone (du)

298
297
296
295
295
295
294
294
295
297
295
293
293
292
292
291
291
290
289
289
288
287
287
286

Monday 31

Waning Gibbous 81%

21:02

11:19

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
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

Sun - Rise: 06:30, Set: 19:33, Transit: 13:01. Moon - Rise: 21:02, Set: 11:19. Civil Dark: 20:01 - 06:02. Nautical Dark: 20:34 - 05:29. Astro Dark: 21:08 - 04:55

Total Clouds (% Sky Obscured)

95
86
77
68
66
67
59
54
42
38
44
54
68
67
68
64
69
77
78
65
52
39
46
52

Low Clouds (% Sky Obscured)

70
53
25
3
2
1
0
0
1
1
5
8
10
8
7
3
3
4
4
5
6
9
6
4

Medium Clouds (% Sky Obscured)

87
69
53
37
35
32
31
32
32
33
31
28
28
32
33
33
30
24
17
13
8
4
4
4

High Clouds (% Sky Obscured)

56
58
58
58
63
63
59
34
19
18
33
48
60
67
68
64
69
77
75
54
35
19
24
29

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 (%)

30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30

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 (%)

23
18
12
2
3
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1

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

Chance of Frost

Temperature (°C)

27
26
26
25
25
25
24
24
24
23
23
23
23
23
24
24
25
26
29
30
32
33
34
34

Feels Like (°C)

29
28
28
27
26
27
27
26
26
26
25
25
24
24
25
25
25
26
27
28
29
30
31
38

Dew Point (°C)

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

Relative Humidity (%)

69
78
76
73
70
71
72
73
74
75
75
74
72
71
70
70
68
63
57
51
49
45
42
41

Pressure (mb)

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

Ozone (du)

286
286
285
285
284
285
285
285
284
284
283
283
283
283
283
284
284
284
284
285
284
284
283
283

Tuesday 1

Waning Gibbous 72%

21:32

12:32

16 Bad
17 Bad
18 Bad
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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:31, Set: 19:32, Transit: 13:00. Moon - Rise: 21:32, Set: 12:32. Civil Dark: 19:59 - 06:03. Nautical Dark: 20:32 - 05:30. Astro Dark: 21:06 - 04:56

Total Clouds (% Sky Obscured)

59
50
33
17
34
51
79
83
84
85
81
80
81
85
89
91
93
96
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
0
0
20
40
49
54
68
85
81
80
81
85
89
91
93
96
95
95
91
92

Medium Clouds (% Sky Obscured)

5
9
13
17
34
51
79
65
39
12
11
6
0
1
2
3
8
13
13
21
30
40

High Clouds (% Sky Obscured)

47
33
15
4
26
50
72
80
83
85
77
68
59
61
67
72
73
82
93
92
92
95

ISS Passover

Visibility (miles)

9
9
9
9
9
7
5
2
5
7
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30

Precipitation Type

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

Precipitation Probability (%)

0
13
11
5
46
60
67
63
65
75
60
44
11
10
7
4
8
8
5
9
10
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

34
34
33
32
30
28
26
23
23
23
23
23
22
22
22
22
22
23
24
26
26
27

Feels Like (°C)

37
36
36
36
36
32
32
33
31
30
28
24
24
24
24
25
25
25
26
27
28
28

Dew Point (°C)

19
18
18
19
19
21
22
23
23
22
22
22
22
21
21
21
21
22
23
23
24
24

Relative Humidity (%)

40
38
41
46
51
63
77
95
95
95
95
95
95
95
94
94
94
92
89
87
87
84

Pressure (mb)

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

Ozone (du)

283
283
284
284
284
284
284
284
283
283
282
282
283
283
284
284
285
285
284
284
283
282

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

Generated: 26/08/26 16:16:52. Forecast: 26/08/26 to 01/09/26. Timezone: UTC-4.00