Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 5

Waning Gibbous 79%

21:46

09:15

21 OK
22 OK
23 OK
00 OK
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

Sun - Rise: 07:03, Set: 17:27, Transit: 12:15. Moon - Rise: 21:46, Set: 09:15. Civil Dark: 17:55 - 06:35. Nautical Dark: 18:27 - 06:03. Astro Dark: 18:59 - 05:31

Total Clouds (% Sky Obscured)

18
27
32
13
100
100
98
100
100
95
94
86
91
81
85
100
98
99
100
97
98
98
95
96

Low Clouds (% Sky Obscured)

4
8
9
12
10
5
6
6
7
9
9
31
55
44
45
47
45
80
78
76
75
81
78
82

Medium Clouds (% Sky Obscured)

18
2
2
3
92
92
84
100
100
95
92
83
88
70
80
94
96
97
99
85
95
96
91
95

High Clouds (% Sky Obscured)

1
1
2
4
100
99
91
100
98
9
0
0
0
0
5
100
88
73
91
9
56
52
50
60

ISS Passover

Visibility (miles)

9
9
9
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
8
10
26
42

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-6
-7
-8
-10
-8
-8
-8
-8
-8
-8
-8
-7
-6
-4
-3
-2
-1
-1
-1
-1
-2
-3
-3
-3

Feels Like (°C)

-9
-10
-11
-12
-11
-11
-11
-11
-11
-11
-12
-10
-8
-6
-5
-5
-5
-4
-4
-4
-5
-5
-6
-6

Dew Point (°C)

-8
-9
-10
-12
-10
-9
-10
-9
-9
-10
-10
-9
-8
-6
-5
-5
-4
-4
-5
-4
-4
-4
-4
-4

Relative Humidity (%)

89
87
88
88
88
87
87
88
88
88
87
85
85
82
81
79
80
78
77
81
89
91
91
94

Pressure (mb)

1015
1014
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1009
1009
1008
1007
1006
1005
1005
1004
1004
1004
1004
1004

Ozone (du)

402
404
407
402
396
395
394
395
394
400
400
391
382
380
385
389
394
402
404
402
400
406
412
409

Friday 6

Waning Gibbous 70%

22:50

09:37

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

Sun - Rise: 07:02, Set: 17:28, Transit: 12:15. Moon - Rise: 22:50, Set: 09:37. Civil Dark: 17:56 - 06:34. Nautical Dark: 18:28 - 06:02. Astro Dark: 19:00 - 05:30

Total Clouds (% Sky Obscured)

97
99
96
99
98
99
93
95
92
80
53
61
51
48
49
35
35
35
45
41
18
4
2
2

Low Clouds (% Sky Obscured)

86
87
81
86
85
89
83
94
86
72
33
34
25
25
29
30
30
30
35
32
18
3
2
2

Medium Clouds (% Sky Obscured)

96
86
93
98
98
99
93
95
92
9
8
10
11
12
9
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

64
15
4
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)

0
0
0
0
0
0
0
1
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

Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

48
47
48
49
42
32
25
22
5
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0

Precipitation Amount (mm)

0.2
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
4
4
5
6
9
12
18
18
18
19
18
20
20
20
20
20
20
20
19
18
18
18

Chance of Frost

Temperature (°C)

-3
-3
-3
-3
-3
-3
-3
-3
-4
-7
-10
-12
-13
-13
-13
-12
-12
-11
-11
-12
-12
-13
-13
-14

Feels Like (°C)

-6
-6
-6
-6
-6
-7
-8
-8
-11
-14
-18
-20
-21
-21
-20
-20
-20
-19
-19
-20
-20
-20
-20
-20

Dew Point (°C)

-4
-4
-4
-3
-3
-4
-4
-5
-7
-10
-13
-16
-17
-18
-17
-17
-16
-15
-16
-16
-17
-18
-18
-18

Relative Humidity (%)

96
96
96
98
98
96
91
89
82
77
75
73
69
70
70
69
69
70
67
69
66
66
66
66

Pressure (mb)

1004
1003
1003
1002
1002
1002
1001
1001
1003
1004
1006
1008
1009
1010
1011
1011
1012
1012
1013
1014
1016
1018
1019
1020

Ozone (du)

416
414
411
414
420
419
418
423
422
440
461
462
462
462
463
464
461
457
456
455
456
459
454
453

Saturday 7

Waning Gibbous 61%

23:53

10:02

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

Sun - Rise: 07:01, Set: 17:29, Transit: 12:15. Moon - Rise: 23:53, Set: 10:02. Civil Dark: 17:57 - 06:33. Nautical Dark: 18:29 - 06:01. Astro Dark: 19:01 - 05:29

Total Clouds (% Sky Obscured)

2
2
2
2
1
1
1
2
2
3
4
20
24
58
92
92
100
93
97
91
73
47
36
34

Low Clouds (% Sky Obscured)

2
2
2
1
1
1
1
1
1
0
0
0
0
0
0
0
0
5
5
10
10
10
9
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
20
58
92
92
100
93
97
91
73
47
36
34

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
2
4
20
24
35
25
25
2
0
0
0
0
0
4
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)

17
16
15
14
13
13
13
12
11
11
9
9
10
11
11
11
11
11
11
10
9
7
5
4

Chance of Frost

Temperature (°C)

-14
-14
-14
-14
-14
-14
-15
-15
-15
-15
-15
-15
-14
-13
-11
-10
-9
-8
-8
-8
-8
-8
-9
-10

Feels Like (°C)

-21
-21
-20
-20
-20
-19
-20
-20
-19
-20
-19
-19
-20
-19
-17
-16
-15
-14
-14
-13
-13
-13
-13
-13

Dew Point (°C)

-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-18
-17
-16
-15
-14
-13
-13
-12
-12
-12
-12
-12

Relative Humidity (%)

65
66
67
68
68
70
70
70
71
71
72
73
70
69
67
68
67
67
67
70
72
75
80
83

Pressure (mb)

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

Ozone (du)

447
439
432
430
427
420
414
407
402
399
395
395
395
397
398
396
392
391
390
390
389
383
383
383

Sunday 8

Waning Gibbous 51%

00:56

10:31

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

Sun - Rise: 07:00, Set: 17:31, Transit: 12:15. Moon - Rise: 00:56, Set: 10:31. Civil Dark: 17:59 - 06:32. Nautical Dark: 18:30 - 06:00. Astro Dark: 19:02 - 05:28

Total Clouds (% Sky Obscured)

13
2
3
3
10
10
25
50
58
65
68
45
19
9
12
10
26
25
20
31
27
28
27
31

Low Clouds (% Sky Obscured)

8
1
1
2
1
0
2
2
0
1
0
0
1
1
3
2
5
15
13
8
0
1
0
0

Medium Clouds (% Sky Obscured)

13
2
0
0
10
10
25
50
58
56
25
15
3
2
3
2
3
2
3
6
15
10
10
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
10
7
5
3
2
3
4
16
17
20
26
27
28
27
31

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

Chance of Frost

Temperature (°C)

-10
-11
-11
-12
-12
-12
-13
-13
-13
-13
-13
-12
-10
-9
-7
-6
-5
-4
-3
-3
-4
-5
-6
-6

Feels Like (°C)

-14
-14
-13
-14
-14
-16
-17
-17
-16
-17
-16
-16
-14
-12
-10
-9
-7
-7
-7
-7
-8
-9
-9
-9

Dew Point (°C)

-12
-13
-14
-15
-15
-16
-16
-15
-16
-16
-16
-15
-14
-14
-12
-10
-9
-8
-7
-6
-6
-7
-7
-8

Relative Humidity (%)

83
81
81
78
79
76
78
79
78
78
78
76
72
69
70
70
72
73
75
81
87
90
89
89

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1024
1023
1022
1022
1022
1021
1021
1022
1022
1022

Ozone (du)

383
381
377
374
371
367
364
362
360
359
359
358
357
357
356
354
353
351
350
351
350
349
351
349

Monday 9

Third Quarter 41%

01:58

11:05

21 OK
22 OK
23 OK
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

Sun - Rise: 06:58, Set: 17:32, Transit: 12:15. Moon - Rise: 01:58, Set: 11:05. Civil Dark: 18:00 - 06:31. Nautical Dark: 18:32 - 05:59. Astro Dark: 19:03 - 05:27

Total Clouds (% Sky Obscured)

25
32
35
42
44
47
52
61
65
76
84
91
94
95
96
98
99
99
98
99
99
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
56
42
21
18
14
10
57
78

Medium Clouds (% Sky Obscured)

5
18
31
38
40
39
44
25
23
25
30
34
44
64
47
52
34
59
81
79
76
73
82
91

High Clouds (% Sky Obscured)

25
32
35
42
8
21
6
8
8
8
4
0
0
6
14
17
28
39
50
67
83
100
98
86

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
1
0
0
0
3
6
9
7

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
3
2
2
4
13
2
5
0
0
0
0
0
1
2
0
0
0
0
0
1
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
3
3
3
2
2
2
2
2
1
2
2
2
2
2
3
3
2
2
2
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-9
-8
-9
-8
-9
-8
-8
-9
-8
-7
-7
-6
-5
-3
-3
-3
-3
-3
-2
-2
-2
-3

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
90
89
89
89
89
90
89
87
84
86
89
91
91
92
94
94
96
98
98

Pressure (mb)

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

Ozone (du)

349
349
348
348
348
348
345
342
346
343
340
338
336
335
334
331
326
324
322
320
319
319
318
319

Tuesday 10

Waning Crescent 32%

02:59

11:47

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
20 OK

Sun - Rise: 06:57, Set: 17:33, Transit: 12:15. Moon - Rise: 02:59, Set: 11:47. Civil Dark: 18:01 - 06:29. Nautical Dark: 18:33 - 05:58. Astro Dark: 19:04 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
71
41

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
90
80
71
60
49
39
26
17
15
30
40
60
80
94
99
68
37

Medium Clouds (% Sky Obscured)

100
99
98
97
98
99
100
100
100
100
99
97
96
98
100
100
83
66
50
33
16
0
0
0

High Clouds (% Sky Obscured)

76
81
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
88
83
57
30

ISS Passover

Visibility (miles)

5
2
4
5
6
4
2
1
1
1
2
1
1
1
3
6
8
7
7
6
7
8
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
Frozen rai
Frozen rai
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
27
39
46
50
54
56
53
49
43
33
22
4
7
7
3
5
4
2
9
10
10
8
4

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
-0
-0
-0
0
0
0
0
1
1
1
0
-1

Feels Like (°C)

-3
-4
-4
-3
-3
-4
-4
-4
-4
-4
-4
-3
-3
-3
-3
-4
-4
-3
-3
-3
-3
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
98
98
98
98
98
98
96
98
98
98
98
96
96
96
96
96
94
89
84
84

Pressure (mb)

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

Ozone (du)

321
322
321
320
319
321
322
323
324
324
325
327
330
333
335
338
341
343
345
347
352
357
361
365

Wednesday 11

Waning Crescent 23%

03:55

12:37

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

Sun - Rise: 06:56, Set: 17:34, Transit: 12:15. Moon - Rise: 03:55, Set: 12:37. Civil Dark: 18:02 - 06:28. Nautical Dark: 18:34 - 05:56. Astro Dark: 19:05 - 05:25

Total Clouds (% Sky Obscured)

15
15
20
20
22
29
31
22
15
9
11
12
11
34
55
79
82
92
97
82
73
60

Low Clouds (% Sky Obscured)

6
11
12
17
22
29
31
22
15
1
11
12
11
34
46
60
60
69
74
65
67
60

Medium 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

High Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
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
8
8
8
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

Precipitation Type

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

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
2
5
1
9
10
12
9
7
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

Wind Speed/Direction (mph)

6
6
6
7
8
8
8
9
9
9
9
10
11
12
12
12
13
12
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-5
-6
-6
-10
-11
-10
-10
-10
-11
-11
-10
-10
-10
-10
-10
-8
-8
-8
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
84
82
82
82
82
82
82
83
80
79
77
76
75
75
76
78
78
78
79

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1016
1017

Ozone (du)

369
373
375
376
378
379
380
381
378
375
373
371
370
369
370
371
372
372
373
373
377
380

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

Generated: 05/02/26 21:56:00. Forecast: 05/02/26 to 11/02/26. Timezone: UTC-5.00