Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 1

Waxing Gibbous 88%

14:34

04:11

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
18 Bad
19 Bad

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)

85
88
78
100
81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
93
74
60

Low Clouds (% Sky Obscured)

0
0
0
0
10
17
23
42
86
84
89
100
88
95
96
93
94
100
100
100
95
84
53
31

Medium Clouds (% Sky Obscured)

15
20
2
64
70
78
84
100
100
100
100
100
100
100
100
100
100
100
100
95
94
31
27
19

High Clouds (% Sky Obscured)

85
64
47
100
50
100
100
100
100
100
100
100
100
100
100
100
100
100
100
65
65
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
2
3
2
2
2
2
4
5
6
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
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
30
95
95
95
95
95
95
95
95
76
54
15
5
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
1.3
2.3
2.4
2.9
3.2
2.9
2.3
0.9
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
1
1
1
1
1
1
1
1
1
2
2
2
2
3
3
3
3
3
3
3
3
3
2

Feels Like (°C)

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

Dew Point (°C)

-10
-10
-11
-11
-10
-10
-10
-9
-8
-7
-6
-5
-2
0
2
2
2
2
3
3
2
1
1
0

Relative Humidity (%)

42
42
42
42
44
45
46
48
53
54
57
62
76
88
93
94
94
94
96
94
93
89
89
86

Pressure (mb)

1027
1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1017
1016
1015
1014
1012
1010
1008
1007
1006
1006
1006
1006
1007

Ozone (du)

343
342
340
341
342
342
347
346
346
346
344
343
342
342
344
344
344
344
345
345
345
351
353
352

Tuesday 2

Waxing Gibbous 95%

15:13

05:32

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

60
75
37
39
47
36
2
29
31
23
26
38
54
53
62
46
5
4
15
17
95
29
26
2

Low Clouds (% Sky Obscured)

49
75
34
38
46
36
1
29
31
23
25
22
17
7
14
0
0
0
0
0
0
1
1
1

Medium Clouds (% Sky Obscured)

11
1
0
0
0
0
0
0
0
0
3
0
0
4
8
4
3
1
5
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
21
48
48
62
43
2
1
5
13
95
20
16
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
74
69
74
74
74
74
74
75
72
71
72
70
63
58
52
49
47
47
47
52
62
68
70

Pressure (mb)

1008
1008
1009
1010
1011
1012
1013
1014
1014
1015
1016
1017
1018
1019
1020
1019
1019
1018
1018
1018
1018
1019
1019
1020

Ozone (du)

354
355
356
357
355
354
351
347
342
337
334
330
328
325
324
323
324
328
332
335
340
342
344
344

Wednesday 3

Waxing Gibbous 99%

16:02

06:54

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

2
7
17
50
51
28
27
36
51
73
80
75
89
91
93
100
99
89
81
68
48
20
2
2

Low Clouds (% Sky Obscured)

1
1
0
1
0
0
0
0
0
0
0
0
4
4
8
14
29
42
46
57
38
19
1
1

Medium Clouds (% Sky Obscured)

0
5
9
38
40
25
23
33
34
65
56
50
62
64
36
98
84
89
81
68
26
0
0
0

High Clouds (% Sky Obscured)

1
1
12
25
18
3
5
5
16
8
20
25
7
17
6
6
3
1
10
1
5
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
4
5
5
5
5
5
5
5
5
4
4
5
7
9
11
12
12
12
12
11
11
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
73
71
73
74
75
75
75
77
77
77
75
69
62
55
54
55
59
60
62
63
58
64
56

Pressure (mb)

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

Ozone (du)

344
343
340
339
338
337
338
336
337
339
339
340
339
342
343
344
343
345
347
348
346
343
342
340

Thursday 4

Full Moon 100%

17:04

08:11

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

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)

0
0
3
0
4
4
0
0
0
0
0
0
0
0
0
1
3
43
64
80
71
60
50
46

Low Clouds (% Sky Obscured)

0
0
0
0
2
3
0
0
0
0
0
0
0
0
0
0
0
19
40
60
53
45
38
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
18
27
17
8
0
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
30
50
60
65
60
50
46

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-10
-12
-13
-13
-13
-14
-15
-15
-15
-15
-15
-15
-15
-16
-16
-16
-16
-16
-14
-13
-13
-12
-11

Relative Humidity (%)

55
51
46
45
47
48
45
43
42
42
42
42
42
39
34
30
28
27
28
31
34
38
41
44

Pressure (mb)

1023
1024
1025
1026
1026
1027
1027
1027
1027
1027
1027
1028
1028
1028
1027
1027
1025
1024
1023
1022
1021
1021
1021
1020

Ozone (du)

338
345
342
341
344
360
356
351
350
350
350
346
344
340
335
329
323
320
317
314
311
312
310
309

Friday 5

Waning Gibbous 97%

18:17

09:17

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

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)

42
42
63
78
93
86
84
42
44
17
19
25
32
39
48
48
56
59
62
50
45
39
16
17

Low Clouds (% Sky Obscured)

28
23
34
45
56
37
19
0
0
0
0
0
0
0
0
1
2
3
1
0
8
16
16
17

Medium Clouds (% Sky Obscured)

4
20
39
29
37
25
16
23
20
4
0
2
2
3
2
7
7
14
17
23
26
30
16
5

High Clouds (% Sky Obscured)

42
42
63
75
70
70
75
6
8
8
15
10
8
6
27
47
56
44
21
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 (%)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
0
1
2
4
5
6
6
5
5
4
3
2

Feels Like (°C)

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

Dew Point (°C)

-11
-10
-10
-9
-8
-8
-7
-6
-5
-5
-4
-5
-5
-5
-5
-4
-3
-3
-2
-1
-1
-0
0
0

Relative Humidity (%)

45
48
51
55
59
60
63
67
72
75
78
77
69
63
57
56
56
54
58
64
67
75
80
88

Pressure (mb)

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

Ozone (du)

309
308
305
301
301
300
300
298
298
296
295
295
294
293
293
292
290
289
290
290
290
290
290
290

Saturday 6

Waning Gibbous 92%

19:33

10:09

20 Good
21 OK
22 OK
23 OK
00 Bad
01 Bad
02 Bad
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

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)

17
23
37
47
53
57
61
64
38
19
0
0
0
5
39
79
93
97
99
100
88
78
67
54

Low Clouds (% Sky Obscured)

17
23
37
23
0
18
37
57
38
19
0
0
0
5
30
54
79
66
51
36
44
68
64
52

Medium Clouds (% Sky Obscured)

1
0
10
21
28
45
48
23
10
5
0
0
0
0
3
25
73
79
72
59
39
20
0
0

High Clouds (% Sky Obscured)

0
0
19
28
39
34
35
34
10
19
0
0
0
5
39
70
65
52
46
23
6
3
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
3
6
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
1
2
5
13
19
21
24
24
13
12
9
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)

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

Chance of Frost

Temperature (°C)

2
2
2
2
1
1
1
1
1
1
1
1
2
2
3
3
3
3
3
3
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
77
71
73
74
74
74
75
77
75
75
74
71
66
64
72
80
91
89
88
86
80
74
69

Pressure (mb)

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

Ozone (du)

289
288
286
286
285
284
285
285
285
286
286
287
288
289
290
292
293
295
299
302
306
305
305
305

Sunday 7

Waning Gibbous 84%

No Rise

10:48

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

Sun - Rise: 07:11, Set: 16:36, Transit: 11:53. Moon - Rise: No Rise, 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)

41
28
19
11
5
4
4
3
5
9
13
19
22
18
18
18
19

Low Clouds (% Sky Obscured)

38
24
15
8
1
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
1
2
3
3
2
1
4
6
7
16
22
18
18
16
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
19
22
18
18
18
13

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 (%)

3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

0
-1
-2
-3
-3
-4
-4
-5
-5
-5
-6
-6
-5
-5
-4
-3
-3

Feels Like (°C)

-2
-3
-4
-4
-5
-5
-8
-8
-8
-9
-8
-9
-10
-9
-9
-9
-9

Dew Point (°C)

-6
-8
-11
-11
-12
-13
-13
-14
-15
-15
-16
-16
-17
-18
-19
-19
-20

Relative Humidity (%)

64
58
53
51
50
50
49
47
46
46
45
44
39
34
30
27
24

Pressure (mb)

1021
1022
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1026

Ozone (du)

306
307
308
309
310
310
316
321
327
327
327
327
328
329
330
329
329

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

Generated: 01/12/25 20:00:08. Forecast: 01/12/25 to 07/12/25. Timezone: UTC-5.00