Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 8

Waning Gibbous 62%

23:00

10:52

12 Bad
13 Bad
14 OK
15 Bad
16 OK
17 Bad
18 Bad
19 Good
20 OK
21 OK
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

Sun - Rise: 07:22, Set: 16:54, Transit: 12:08. Moon - Rise: 23:00, Set: 10:52. Civil Dark: 17:24 - 06:52. Nautical Dark: 17:57 - 06:19. Astro Dark: 18:30 - 05:46

Total Clouds (% Sky Obscured)

54
50
47
68
41
49
56
13
45
19
66
94
58
98
100
98
87
91
100
66
62
78
98
100

Low Clouds (% Sky Obscured)

31
17
5
11
13
0
0
0
0
0
0
0
0
0
0
20
2
6
28
39
42
54
43
32

Medium Clouds (% Sky Obscured)

0
0
0
0
0
17
13
9
2
14
1
29
9
63
100
80
87
91
100
4
26
3
81
8

High Clouds (% Sky Obscured)

38
50
47
16
16
40
26
2
42
6
66
93
52
92
97
92
33
48
100
52
26
55
94
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
1
11
0
0
0
0
0
0
0
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)

5
5
4
3
2
1
2
2
2
2
3
3
3
3
3
3
4
4
4
5
5
7
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
7
8
7
4
4
5
4
4
3
2
2
0
0
-1
-0
0
-1
1
3
3
4

Dew Point (°C)

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

Relative Humidity (%)

50
48
47
47
50
54
57
59
61
62
66
67
71
72
72
68
70
69
70
76
80
76
69
65

Pressure (mb)

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

Ozone (du)

340
339
333
330
326
321
317
313
309
306
304
303
300
298
295
292
292
290
292
293
291
289
287
287

Friday 9

Waning Gibbous 52%

00:02

11:13

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:22, Set: 16:55, Transit: 12:08. Moon - Rise: 00:02, Set: 11:13. Civil Dark: 17:25 - 06:52. Nautical Dark: 17:58 - 06:18. Astro Dark: 18:31 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
86
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
38
54
76
79
90
84
78
60
74
79
86
69
50
38
35
29
29
79
48
47
73
76
82

Medium Clouds (% Sky Obscured)

27
27
29
78
71
98
89
83
70
60
37
60
62
82
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
71
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
4
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
4

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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

0
3
26
60
92
95
73
7
2
0
0
0
0
0
0
0
0
4
15
34
80
95
95
95

Precipitation Amount (mm)

0
0
0
0.2
0.7
1.8
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1
1.3
2.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
11
11
11
10
10
11
11
11
11
11
11
10
10
10
9
9
9
8
8
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
62
66
72
81
90
95
95
93
95
96
96
98
96
96
95
93
88
72
65
66
73
81
90

Pressure (mb)

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

Ozone (du)

284
279
279
279
280
281
282
282
281
282
279
277
277
276
274
274
275
274
275
274
276
273
271
270

Saturday 10

Third Quarter 42%

01:04

11:36

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:21, Set: 16:56, Transit: 12:09. Moon - Rise: 01:04, Set: 11:36. Civil Dark: 17:26 - 06:52. Nautical Dark: 17:59 - 06:18. Astro Dark: 18:32 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
86
91
96
100
100
91

Low Clouds (% Sky Obscured)

91
93
93
100
100
100
100
100
98
92
93
99
100
100
99
98
89
74
50
28
15
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
99
100
62
94
100
100
100
83
86
69
18
14
19
25

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
27
12
15
39
68
97
98
91

ISS Passover

Visibility (miles)

3
1
1
2
9
9
3
8
9
9
9
0
0
0
2
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
7
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
83
58
70
57
92
87
95
92
69
28
5
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

3.7
5.2
6.3
2.8
0.4
0
0.3
0
0.7
0.3
0.7
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
12
11
12
10
9
7
6
4
4
3
3
3
8
4
4
5
6
7
7
8
11
12

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
8
8
8
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
93
93
94
94
98
96
96
98
98
98
98
98
98
94
91
88
87
87
79
68
55

Pressure (mb)

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

Ozone (du)

268
265
265
263
267
268
268
268
270
269
271
273
273
271
271
271
273
274
278
281
282
288
293
296

Sunday 11

Waning Crescent 33%

02:06

12:02

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

Sun - Rise: 07:21, Set: 16:57, Transit: 12:09. 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)

91
90
87
78
49
26
7
11
16
19
28
38
46
38
40
35
14
30
25
23
38
64
60
62

Low Clouds (% Sky Obscured)

0
0
3
4
10
4
0
9
16
19
28
38
46
38
39
31
13
7
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

30
20
13
0
3
4
7
7
3
0
0
0
0
0
0
0
0
0
0
23
38
64
60
62

High Clouds (% Sky Obscured)

91
90
87
78
49
26
0
0
0
0
0
0
0
0
0
0
2
30
25
4
3
7
2
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
2
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)

13
13
13
12
12
12
12
12
13
13
13
14
14
14
14
14
13
13
12
12
11
12
13
12

Chance of Frost

Temperature (°C)

8
8
8
7
7
6
5
4
3
2
1
0
0
-0
0
0
0
-0
0
0
0
1
2
2

Feels Like (°C)

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

Dew Point (°C)

-3
-4
-4
-4
-4
-3
-5
-7
-8
-9
-9
-9
-9
-9
-8
-8
-9
-9
-8
-8
-8
-8
-9
-10

Relative Humidity (%)

48
45
43
43
45
52
52
46
45
47
48
49
52
52
53
54
51
53
55
53
53
51
47
39

Pressure (mb)

1011
1010
1010
1010
1009
1010
1011
1012
1013
1013
1014
1014
1014
1015
1016
1017
1017
1018
1019
1020
1021
1022
1022
1022

Ozone (du)

304
316
321
325
327
334
344
371
396
402
396
378
365
359
365
363
365
372
373
372
369
367
363
361

Monday 12

Waning Crescent 24%

03:08

12:02

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

Sun - Rise: 07:21, Set: 16:58, Transit: 12:10. Moon - Rise: 03:08, Set: 12:02. Civil Dark: 17:28 - 06:51. Nautical Dark: 18:01 - 06:18. Astro Dark: 18:34 - 05:45

Total Clouds (% Sky Obscured)

61
54
49
41
47
53
95
34
24
50
85
87
90
93
91
88
61
35
8
5
3
0
8
14

Low Clouds (% Sky Obscured)

0
0
0
0
5
11
16
11
5
0
0
0
0
32
29
18
10
4
0
1
1
0
0
0

Medium Clouds (% Sky Obscured)

61
54
49
41
43
45
92
34
24
22
42
39
32
91
87
87
59
32
4
3
1
0
0
1

High Clouds (% Sky Obscured)

0
0
4
8
7
6
63
0
0
33
70
66
70
64
33
2
1
1
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
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
4
5
5
4
2
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)

12
12
12
11
10
9
8
7
7
8
8
7
6
6
7
6
6
6
6
6
6
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-11
-11
-10
-8
-8
-7
-7
-7
-7
-6
-7
-7
-7
-7
-7
-6
-6
-5
-5
-5
-5
-5
-5

Relative Humidity (%)

36
33
32
34
38
42
44
46
48
50
52
52
52
52
53
55
57
60
63
66
60
56
51
46

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020

Ozone (du)

358
357
357
356
354
350
348
348
347
346
343
344
343
343
345
347
349
349
349
349
345
341
336
335

Tuesday 13

Waning Crescent 16%

04:10

12:33

12 Good
13 OK
14 OK
15 OK
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

Sun - Rise: 07:20, Set: 16:59, Transit: 12:10. Moon - Rise: 04:10, Set: 12:33. Civil Dark: 17:29 - 06:51. Nautical Dark: 18:02 - 06:18. Astro Dark: 18:34 - 05:45

Total Clouds (% Sky Obscured)

16
33
47
45
50
65
80
86
93
100
78
69
68
81
99
100
100
100
100
92
84
78
77
79

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
1
2

Medium Clouds (% Sky Obscured)

1
6
7
6
3
1
0
0
0
0
31
69
68
81
99
100
92
85
77
54
31
12
17
16

High Clouds (% Sky Obscured)

0
12
24
35
50
65
80
86
93
98
75
54
34
36
35
35
55
75
93
87
83
78
77
79

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
14
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
38
40
42
45
48
52
56
56
56
56
54
55
55
60
63
68
71
76
79
73
68
66
56

Pressure (mb)

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

Ozone (du)

333
332
330
328
326
327
328
329
328
328
328
329
329
329
329
329
329
327
326
325
328
331
334
335

Wednesday 14

Waning Crescent 10%

05:09

13:10

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:20, Set: 17:00, Transit: 12:10. Moon - Rise: 05:09, Set: 13:10. Civil Dark: 17:30 - 06:51. Nautical Dark: 18:03 - 06:17. Astro Dark: 18:35 - 05:45

Total Clouds (% Sky Obscured)

78
85
93
98
99
99
99
98
98
99
99
98
99
92
85
77
69
60
52

Low Clouds (% Sky Obscured)

8
17
36
47
40
28
19
34
38
46
50
54
58
57
54
50
39
21
6

Medium Clouds (% Sky Obscured)

21
30
40
50
39
27
12
22
29
41
58
76
94
83
73
62
43
23
4

High Clouds (% Sky Obscured)

78
85
93
98
67
33
10
20
40
70
69
50
29
17
7
3
3
2
0

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
30
30
26
22
17
1
2
3
1
1
2
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

Wind Speed/Direction (mph)

5
7
7
6
6
5
5
5
5
5
5
5
5
5
5
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
43
42
43
42
48
53
59
62
65
67
66
64
61
65
69
75
75
76

Pressure (mb)

1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1007
1008

Ozone (du)

336
337
336
335
335
334
333
332
332
332
333
332
331
331
333
335
337
340
343

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

Generated: 08/01/26 12:27:43. Forecast: 08/01/26 to 14/01/26. Timezone: UTC-5.00