Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 1

Waxing Gibbous 95%

14:34

04:11

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
21 Bad
22 OK

Sun - Rise: 07:05, Set: 16:36, Transit: 11:51. Moon - Rise: 14:34, Set: 04:11. Civil Dark: 17:06 - 06:35. Nautical Dark: 17:40 - 06:02. Astro Dark: 18:12 - 05:29

Total Clouds (% Sky Obscured)

71
88
89
100
100
100
100
100
100
100
100
100
100
100
100
100
98
92
78
73
69
86
80
43

Low Clouds (% Sky Obscured)

0
12
26
24
30
86
86
100
100
97
95
100
92
95
92
94
95
85
62
64
51
83
75
43

Medium Clouds (% Sky Obscured)

51
76
69
82
97
100
100
100
100
100
100
100
100
100
100
97
94
33
61
11
6
0
0
0

High Clouds (% Sky Obscured)

71
34
89
100
100
100
100
100
100
100
100
100
100
100
100
38
16
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
2
3
2
2
2
2
3
7
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
Light Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
7
87
95
95
95
95
95
95
95
95
38
2
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
2.5
1.8
2.4
3.1
3.5
2.8
2.1
0.7
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
3
3
3
2
2
3
3
3
3
3
4
5
4
5
7
9
9
10
11
11
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-3
-3
-3
-2
-2
-1
-1
-1
-1
-0
0
0
1
1
1
-1
-1
-2
-3
-4
-4
-3

Dew Point (°C)

-10
-9
-9
-8
-7
-7
-6
-5
-3
-1
1
2
2
2
3
3
3
2
1
1
-0
-2
-3
-3

Relative Humidity (%)

46
48
49
51
54
56
59
63
70
84
91
94
96
94
96
96
94
93
89
88
85
74
68
70

Pressure (mb)

1025
1024
1023
1022
1021
1020
1019
1018
1017
1016
1015
1014
1013
1010
1009
1007
1007
1006
1007
1007
1008
1009
1009
1010

Ozone (du)

337
335
335
339
340
342
340
338
338
337
339
342
342
341
342
343
342
343
344
345
346
347
349
350

Tuesday 2

Waxing Gibbous 99%

15:13

05:32

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

Sun - Rise: 07:06, Set: 16:36, Transit: 11:51. Moon - Rise: 15:13, Set: 05:32. Civil Dark: 17:06 - 06:36. Nautical Dark: 17:40 - 06:03. Astro Dark: 18:12 - 05:30

Total Clouds (% Sky Obscured)

33
20
26
25
3
8
9
6
4
40
49
17
11
7
0
5
58
45
32
34
5
35
2
2

Low Clouds (% Sky Obscured)

33
20
22
22
2
7
5
2
2
1
13
13
0
3
0
0
0
1
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
4
3
0
0
3
0
3
3
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
2
2
40
47
6
9
2
0
5
57
35
31
25
2
25
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

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)

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

Chance of Frost

Temperature (°C)

1
1
0
-0
-1
-1
-1
-1
-1
-1
0
1
2
3
4
4
4
3
2
1
1
1
0
0

Feels Like (°C)

-2
-3
-4
-4
-4
-4
-4
-5
-5
-5
-4
-3
-0
0
1
2
2
1
-2
-3
-3
-1
-3
-1

Dew Point (°C)

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

Relative Humidity (%)

74
74
74
74
75
74
72
70
68
67
61
55
50
47
45
45
47
52
62
67
70
71
71
73

Pressure (mb)

1011
1012
1012
1013
1014
1015
1015
1016
1017
1018
1019
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

351
352
352
351
347
342
337
334
331
330
326
323
319
319
319
322
329
334
336
339
339
340
340
338

Wednesday 3

Waxing Gibbous 99%

16:02

06:54

23 Good
00 OK
01 OK
02 Bad
03 Bad
04 Good
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 Good
18 Good
19 Good
20 Good
21 Good
22 Good

Sun - Rise: 07:07, Set: 16:36, Transit: 11:52. Moon - Rise: 16:02, Set: 06:54. Civil Dark: 17:06 - 06:37. Nautical Dark: 17:40 - 06:03. Astro Dark: 18:12 - 05:31

Total Clouds (% Sky Obscured)

8
32
22
64
67
4
86
71
75
82
76
100
97
100
100
100
100
58
15
3
15
18
2
1

Low Clouds (% Sky Obscured)

2
1
1
1
1
1
1
3
0
0
0
5
10
28
31
58
39
40
0
0
9
1
0
0

Medium Clouds (% Sky Obscured)

0
2
2
0
0
1
17
63
67
68
61
71
80
97
100
100
100
58
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
19
17
56
67
3
69
28
3
35
32
100
79
100
97
26
28
7
15
2
10
7
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
5
5
5
5
5
5
4
4
6
7
9
11
12
12
12
12
11
10
8
8
8
8
8

Chance of Frost

Temperature (°C)

0
0
0
0
0
0
-0
-0
0
1
2
3
4
4
4
4
4
4
3
2
1
0
-1
-1

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-4
-3
-3
-3
-4
-5
-5
-5
-5
-5
-4
-3
-3
-3
-5
-6
-6
-8
-9
-9

Relative Humidity (%)

73
74
75
77
77
80
80
80
77
67
60
54
54
53
59
59
59
64
58
56
60
54
51
53

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1018
1018
1018
1018
1019
1019
1020
1021
1023
1024
1024
1025

Ozone (du)

339
339
337
337
338
339
339
338
339
338
339
338
338
337
336
336
337
337
337
339
341
343
348
343

Thursday 4

Full Moon 100%

17:04

08:11

23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 OK
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

Sun - Rise: 07:08, Set: 16:36, Transit: 11:52. Moon - Rise: 17:04, Set: 08:11. Civil Dark: 17:06 - 06:38. Nautical Dark: 17:40 - 06:04. Astro Dark: 18:12 - 05:32

Total Clouds (% Sky Obscured)

9
0
7
13
16
24
30
90
100
99
89
99
99
100
97
94
91
90
86
84
89
95
100
100

Low Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
7
18
30
39
55
63
80
75
64
68
71
71
79
92
100
100

Medium Clouds (% Sky Obscured)

0
0
2
6
9
19
26
40
55
51
40
51
39
55
60
54
53
65
65
55
54
60
59
60

High Clouds (% Sky Obscured)

5
0
0
0
0
0
0
8
11
12
15
17
26
25
20
20
25
25
30
30
53
83
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
7
9
10
20
24
25
20
15
5
5
4
0
4

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

Chance of Frost

Temperature (°C)

-2
-2
-3
-3
-3
-3
-3
-4
-4
-3
-3
-2
-1
0
1
1
0
0
-0
-0
-0
-0
-0
-0

Feels Like (°C)

-5
-7
-6
-6
-6
-6
-6
-6
-7
-7
-6
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4

Dew Point (°C)

-11
-12
-12
-12
-13
-13
-14
-14
-14
-14
-14
-15
-15
-15
-15
-15
-14
-14
-13
-12
-12
-11
-11
-10

Relative Humidity (%)

50
45
47
47
47
45
44
43
44
43
39
36
33
31
30
30
32
35
38
40
42
44
44
46

Pressure (mb)

1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024
1023
1022
1021
1021
1020
1020
1020
1019
1018
1018

Ozone (du)

339
343
350
350
348
349
349
347
344
341
337
333
328
321
319
317
314
311
310
307
306
304
306
308

Friday 5

Waning Gibbous 97%

18:17

09:17

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

Sun - Rise: 07:09, Set: 16:36, Transit: 11:52. Moon - Rise: 18:17, Set: 09:17. Civil Dark: 17:06 - 06:39. Nautical Dark: 17:40 - 06:05. Astro Dark: 18:13 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
86
82
98
78
46
35
30
30
30
28
33
47
58
55
56
55
43
35
23
16

Low Clouds (% Sky Obscured)

100
100
100
100
86
82
98
78
46
35
30
30
30
28
7
13
13
15
18
24
33
35
23
16

Medium Clouds (% Sky Obscured)

61
61
49
44
36
35
36
41
33
29
28
30
30
28
9
13
17
27
38
49
33
17
2
1

High Clouds (% Sky Obscured)

100
100
100
100
48
57
96
69
34
25
25
30
30
28
7
6
5
3
2
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

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 (%)

5
5
6
7
6
7
5
3
3
2
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)

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

Chance of Frost

Temperature (°C)

0
0
0
0
0
-0
-0
0
0
1
1
2
3
4
5
5
5
5
4
3
2
2
2
1

Feels Like (°C)

-3
-3
-3
-3
-3
-2
-2
-3
-2
-1
0
1
2
2
3
3
3
3
3
3
2
-1
-1
-1

Dew Point (°C)

-10
-9
-9
-9
-8
-8
-8
-7
-7
-7
-7
-7
-6
-6
-4
-3
-3
-2
-2
-2
-2
-2
-3
-3

Relative Humidity (%)

47
49
50
52
55
58
58
58
59
57
55
51
50
49
51
55
58
63
67
70
73
73
73
71

Pressure (mb)

1017
1017
1016
1016
1015
1014
1014
1013
1013
1013
1013
1013
1013
1012
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014

Ozone (du)

307
305
303
301
301
299
298
298
297
296
296
294
293
292
292
292
292
291
292
294
295
295
295
296

Saturday 6

Waning Gibbous 92%

19:33

10:09

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

Sun - Rise: 07:10, Set: 16:36, Transit: 11:53. Moon - Rise: 19:33, Set: 10:09. Civil Dark: 17:06 - 06:40. Nautical Dark: 17:40 - 06:06. Astro Dark: 18:13 - 05:33

Total Clouds (% Sky Obscured)

11
2
22
42
59
38
19
0
0
0
0
32
72
93
96
99
98
99
99
100
100
100
96
75

Low Clouds (% Sky Obscured)

11
1
16
35
57
38
19
0
0
0
0
26
50
69
52
44
44
52
64
74
82
90
96
71

Medium Clouds (% Sky Obscured)

0
0
4
5
5
2
1
0
0
0
0
32
72
93
96
98
96
98
99
100
99
99
93
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
32
72
90
81
71
56
64
67
70
67
56
33
11

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
1
9
15
19
17

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

Chance of Frost

Temperature (°C)

1
1
1
1
0
0
-0
-0
-1
0
1
2
3
3
4
4
3
3
3
2
2
2
1
1

Feels Like (°C)

-1
-1
-0
-1
-2
-2
-2
-2
-2
-3
-3
-2
-2
-3
-2
0
0
0
-0
-0
-1
-2
-2
-2

Dew Point (°C)

-4
-3
-4
-4
-4
-4
-4
-4
-4
-5
-5
-6
-6
-6
-6
-6
-6
-6
-6
-5
-5
-4
-3
-2

Relative Humidity (%)

71
73
73
73
73
74
75
75
75
69
64
58
55
51
48
49
49
50
53
58
62
68
74
81

Pressure (mb)

1014
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1018
1018
1019
1019
1020
1020
1021
1022
1022
1023

Ozone (du)

294
291
289
289
289
289
289
288
288
288
289
289
292
295
298
300
303
306
306
307
308
309
309
310

Sunday 7

Waning Gibbous 84%

20:48

10:48

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

Sun - Rise: 07:11, Set: 16:36, Transit: 11:53. Moon - Rise: 20:48, Set: 10:48. Civil Dark: 17:06 - 06:41. Nautical Dark: 17:40 - 06:07. Astro Dark: 18:13 - 05:34

Total Clouds (% Sky Obscured)

50
32
23
14
6
9
12
14
17
17
10
10
20
10
12
3
2
3
2
2

Low Clouds (% Sky Obscured)

49
23
14
4
1
1
1
1
0
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

33
5
4
3
1
2
3
3
5
4
5
5
0
0
0
0
2
1
1
0

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
17
17
10
10
15
10
12
3
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

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 (%)

13
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
0
0
-0
-1
-2
-2
-2
-3
-2
-2
-2
-1
-1
-0
-1
-1
-1
-2
-2

Feels Like (°C)

-3
-2
-2
-3
-2
-3
-3
-3
-3
-6
-6
-6
-6
-6
-6
-3
-3
-3
-4
-4

Dew Point (°C)

-2
-3
-3
-4
-5
-7
-8
-9
-10
-11
-13
-14
-14
-15
-15
-14
-13
-12
-13
-13

Relative Humidity (%)

81
81
80
75
72
68
63
60
57
50
43
38
36
34
32
35
38
42
41
41

Pressure (mb)

1023
1023
1023
1024
1024
1024
1025
1025
1025
1026
1026
1027
1026
1026
1025
1025
1025
1024
1024
1024

Ozone (du)

312
314
315
315
315
316
316
317
317
318
318
319
320
322
323
326
329
331
333
334

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

Generated: 01/12/25 23:07:04. Forecast: 01/12/25 to 07/12/25. Timezone: UTC-5.00