Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 11

Waning Crescent 33%

02:06

12:02

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

Sun - Rise: 07:21, Set: 16:57, Transit: 12:10. Moon - Rise: 02:06, Set: 12:02. Civil Dark: 17:27 - 06:51. Nautical Dark: 18:00 - 06:18. Astro Dark: 18:33 - 05:46

Total Clouds (% Sky Obscured)

61
55
40
25
29
30
7
16
22
3
2
0
0
0
20
23
51
41
49
34
54
48
70
50

Low Clouds (% Sky Obscured)

43
16
22
17
20
19
6
12
15
3
2
0
0
0
0
0
2
4
2
0
1
1
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
23
50
27
15
10
54
20
21
49

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
32
50
36
59
50

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
2
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)

16
17
15
16
16
16
15
15
14
13
11
10
10
10
9
9
8
8
9
10
10
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-8
-8
-7
-8
-7
-9
-9
-9
-9
-9
-9
-10
-9
-8
-9
-8
-7
-8
-8
-9
-9
-9
-9

Relative Humidity (%)

49
44
46
50
51
57
50
51
51
52
52
51
51
55
58
57
58
59
53
47
40
37
34
35

Pressure (mb)

1011
1013
1014
1015
1016
1016
1017
1018
1019
1020
1021
1021
1022
1022
1023
1024
1024
1025
1025
1025
1024
1023
1022
1022

Ozone (du)

393
404
415
410
386
366
360
354
349
345
342
340
336
332
326
326
331
333
336
332
329
329
326
329

Monday 12

Waning Crescent 24%

03:08

12:33

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

Sun - Rise: 07:21, Set: 16:58, Transit: 12:10. Moon - Rise: 03:08, Set: 12:33. Civil Dark: 17:28 - 06:51. Nautical Dark: 18:01 - 06:18. Astro Dark: 18:34 - 05:45

Total Clouds (% Sky Obscured)

74
100
99
10
8
48
0
0
0
33
35
35
35
5
10
4
2
0
5
35
35
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

74
100
42
0
0
0
0
0
0
1
35
35
20
5
3
4
2
0
0
0
0
42
60
75

High Clouds (% Sky Obscured)

74
100
99
10
8
48
0
0
0
33
35
35
35
2
10
0
0
0
4
35
25
100
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
1
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
10
9
8
8
8
7
7
7
6
6
6
6
5
5
4
4
5
6
8
8
8
9
8

Chance of Frost

Temperature (°C)

5
4
4
3
3
2
2
2
2
1
1
1
1
1
0
0
0
2
4
5
7
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

37
38
40
43
45
46
46
46
47
48
49
48
48
50
52
53
53
48
41
36
36
37
38
42

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1019
1017
1016
1015

Ozone (du)

331
332
336
343
343
344
344
337
332
332
331
335
334
331
332
336
331
331
331
330
326
329
329
329

Tuesday 13

Waning Crescent 16%

04:10

13:10

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: 07:20, Set: 16:59, Transit: 12:10. Moon - Rise: 04:10, Set: 13:10. Civil Dark: 17:29 - 06:51. Nautical Dark: 18:02 - 06:18. Astro Dark: 18:34 - 05:45

Total Clouds (% Sky Obscured)

57
79
60
50
84
90
84
87
89
57
98
96
60
64
77
90
100
99
100
99
96
100
96
97

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
45
73
77
76
74
73

Medium Clouds (% Sky Obscured)

56
40
16
18
61
77
84
87
86
57
81
96
52
48
68
57
57
48
28
32
27
76
19
20

High Clouds (% Sky Obscured)

7
79
40
29
31
47
36
31
33
5
75
72
21
18
19
61
100
92
97
79
95
100
96
97

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
2
3
2
3
3
8
11
21
25
30
39
39
31
34
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
53
56
57
58
58
58
58
54
55
58
60
63
65
68
70
70
67
61
55
49
47
45
45

Pressure (mb)

1014
1014
1013
1013
1012
1011
1010
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1005
1004
1003
1002
1002

Ozone (du)

331
329
331
330
331
329
328
327
324
325
326
328
328
325
328
329
333
336
337
338
335
336
336
334

Wednesday 14

Waning Crescent 10%

05:09

13:55

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 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:20, Set: 17:00, Transit: 12:11. Moon - Rise: 05:09, Set: 13:55. Civil Dark: 17:30 - 06:51. Nautical Dark: 18:03 - 06:17. Astro Dark: 18:35 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
94
92
92
86
78
67
50
35
32
30
28
35
27
25
25
30
25

Low Clouds (% Sky Obscured)

63
53
43
51
46
47
41
38
33
29
70
63
57
34
20
27
25
23
16
8
5
5
0
0

Medium Clouds (% Sky Obscured)

100
100
98
81
86
100
94
89
82
65
55
55
45
50
27
2
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

98
100
100
100
100
100
69
41
16
14
12
15
3
0
0
0
0
0
0
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
8
1
0
0
0
0
0

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 (%)

41
41
36
34
34
34
32
29
18
23
19
9
18
15
16
6
16
24
28
25
23
24
23
25

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
54
60
62
66
67
67
70
70
72
75
76
79
80
82
83
84
89
91
94
94
94
94
94

Pressure (mb)

1002
1002
1001
1001
1001
1000
1000
1000
999
999
999
999
999
1000
1001
1001
1001
1002
1003
1003
1003
1002
1003
1003

Ozone (du)

335
339
342
346
347
350
351
355
359
360
361
361
364
372
377
383
384
390
394
395
395
398
396
390

Thursday 15

Waning Crescent 5%

06:03

14:48

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: 07:20, Set: 17:01, Transit: 12:11. Moon - Rise: 06:03, Set: 14:48. Civil Dark: 17:31 - 06:50. Nautical Dark: 18:04 - 06:17. Astro Dark: 18:36 - 05:45

Total Clouds (% Sky Obscured)

25
20
20
20
20
25
35
40
55
65
75
80
80
85
90
91
92
94
94
91
94
91
89
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
19
24
35
30
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
41
6
5
4
4
2
12
25
37
53
58
70
67
68
65

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

1
1
8
0
0
0
1
1
1
1
0
0
0
1
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
28
24
30
33
34
27
37
41
54
51
46
31
12
5
17
19
14
10
4
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
11
12
11
11
11
10
10
10
9
9
9
9
9
9
9
10
11
11
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-6
-7
-7
-8
-9
-9
-9
-9
-10
-10
-10
-10
-10
-10
-9
-9
-9
-9
-9
-9
-6
-6

Dew Point (°C)

-1
-2
-2
-3
-4
-4
-6
-6
-6
-6
-6
-7
-6
-7
-7
-8
-8
-8
-8
-8
-8
-7
-7
-7

Relative Humidity (%)

92
92
91
89
91
91
86
85
85
85
87
87
87
84
82
81
78
75
70
68
65
63
63
63

Pressure (mb)

1004
1005
1005
1006
1007
1007
1008
1008
1008
1009
1009
1010
1011
1012
1012
1014
1015
1016
1017
1017
1017
1017
1017
1018

Ozone (du)

388
391
397
398
406
406
403
398
403
417
425
424
418
411
400
385
373
361
349
344
340
336
335
333

Friday 16

Waning Crescent 1%

06:50

15:48

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

Sun - Rise: 07:19, Set: 17:02, Transit: 12:11. Moon - Rise: 06:50, Set: 15:48. Civil Dark: 17:32 - 06:50. Nautical Dark: 18:05 - 06:17. Astro Dark: 18:37 - 05:44

Total Clouds (% Sky Obscured)

69
52
32
33
34
37
25
18
8
10
8
0
3
5
8
36
64
88
86
71
75
79
88
100

Low Clouds (% Sky Obscured)

21
14
6
26
34
37
25
18
8
10
8
0
0
0
0
0
0
0
19
38
57
50
46
41

Medium Clouds (% Sky Obscured)

53
41
24
16
24
35
24
13
4
3
4
0
3
5
8
36
64
88
86
71
34
24
19
19

High Clouds (% Sky Obscured)

10
20
28
20
11
3
2
1
0
0
0
0
0
0
0
0
0
0
21
40
63
79
88
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
0
0
0
0
0
0
0
11
15
17
22
21
19

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-6
-6
-6
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-1
-1

Dew Point (°C)

-6
-7
-7
-7
-8
-9
-9
-9
-9
-10
-9
-9
-8
-9
-9
-9
-9
-9
-9
-8
-7
-6
-6
-5

Relative Humidity (%)

65
66
66
67
64
63
62
62
60
59
62
65
68
68
66
66
62
56
52
52
52
52
56
62

Pressure (mb)

1018
1019
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1021
1020
1019
1018

Ozone (du)

331
329
327
325
322
319
316
314
312
310
308
306
303
303
302
301
302
303
305
306
308
310
311
311

Saturday 17

Waning Crescent 0%

07:31

No Set

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

Sun - Rise: 07:19, Set: 17:03, Transit: 12:12. Moon - Rise: 07:31, Set: No Set. Civil Dark: 17:33 - 06:49. Nautical Dark: 18:06 - 06:16. Astro Dark: 18:38 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
98
96
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

45
56
72
81
89
94
90
85
78
81
88
95
90
85
79
67
54
41
47
52
57

Medium Clouds (% Sky Obscured)

34
50
65
77
89
100
100
100
100
95
90
85
82
82
83
85
91
98
98
100
100

High Clouds (% Sky Obscured)

100
100
100
100
99
97
98
99
100
68
37
0
0
0
0
0
10
20
75
80
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
8
6
4
2
2
1
0
0
0

Fog (%)

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
Light Rain
Snow
Snow
Snow
Snow

Precipitation Probability (%)

15
10
3
12
15
16
17
17
16
39
48
46
87
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.9
1.2
1.2
0.8
0.9
0.9
1
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
70
73
78
80
80
81
81
80
80
84
91
94
96
98
100
100
100
100
100
100

Pressure (mb)

1018
1017
1017
1016
1016
1015
1014
1013
1012
1011
1010
1008
1007
1006
1005
1005
1004
1003
1002
1000
999

Ozone (du)

312
316
320
324
326
329
331
332
332
333
337
340
344
346
347
349
350
352
353
357
361

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

Generated: 11/01/26 16:10:30. Forecast: 11/01/26 to 17/01/26. Timezone: UTC-5.00